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4th Grade Adding & Subtracting Fractions Worksheets

4th Grade Adding & Subtracting Fractions: like denominators, mixed and improper numbers, and fraction word problems. Every worksheet is free, prints as a PDF with an answer key, and can be assigned online. The ones teachers open most are first.

← All 4th grade topics 4.NF.3A 4.NF.3B 4.NF.3C 4.NF.3D

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4th Grade Adding & Subtracting Fractions Worksheets - Mixed Number to Improper worksheet

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Mixed Number to Improper

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Student objectives

Convert a mixed number into an improper fraction.
Multiply the whole number by the denominator to find how many fractional parts are in the whole part.
Add the extra numerator to get the new numerator while keeping the same denominator.

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4th Grade Adding & Subtracting Fractions Worksheets - Improper to Mixed Number worksheet

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Improper to Mixed Number

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Student objectives

Turn an improper fraction into a mixed number by finding how many whole groups it makes and what part is left over.
Use division to connect the numerator and denominator when rewriting a fraction as a whole number plus a fraction.
Write the remainder as the fractional part with the same denominator.

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4th Grade Adding & Subtracting Fractions Worksheets - Adding & Subtracting Fractions (Same Denominator) worksheet

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Adding & Subtracting Fractions (Same Denominator)

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Student objectives

Add fractions that already have the same denominator.
Subtract fractions that already have the same denominator.
Keep the denominator the same and add or subtract only the numerators.
Simplify answers when the fraction can be reduced.

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4th Grade Adding & Subtracting Fractions Worksheets - Adding Fractions Visual (combining) worksheet

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Adding Fractions Visual (combining)

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Student objectives

Add two fractions by combining their parts to make a total amount.
Use pictures or fraction models to see what each fraction means before adding.

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4th Grade Adding & Subtracting Fractions Worksheets - Adding Mixed Fractions (Visual) worksheet

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Adding Mixed Fractions (Visual)

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Student objectives

Add mixed numbers by combining the whole-number parts and the fraction parts.
Use pictures or fraction models to see what the fractions add up to.

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4th Grade Adding & Subtracting Fractions Worksheets - Mixed Fractions (Same Denominator) worksheet

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Mixed Fractions (Same Denominator)

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Student objectives

Add mixed numbers when the fractions have the same denominator.
Subtract mixed numbers when the fractions have the same denominator.
Regroup when subtracting by borrowing 1 whole and turning it into fractional parts.

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4th Grade Adding & Subtracting Fractions Worksheets - Subtracting Fractions (with regrouping) worksheet

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Subtracting Fractions (with regrouping)

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Student objectives

Subtract mixed numbers when the fraction part is too small and you need to borrow 1 whole to keep subtracting.

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4th Grade Adding & Subtracting Fractions Worksheets - Adding Parts of a Whole worksheet

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Adding Parts of a Whole

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Student objectives

Add two or more fractions that have the same denominator.
Use fraction pictures to see how parts combine to make a total.
Match a visual model to the correct fraction value.

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4th Grade Adding & Subtracting Fractions Worksheets - Adding Fractions Numeric & Visual worksheet

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Adding Fractions Numeric & Visual

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Student objectives

Add two fractions to find the total amount.
Add fractions with the same denominator.
Match a fraction sum to the correct picture model.

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4th Grade Adding & Subtracting Fractions Worksheets - Improper Fractions (Same Denominator) worksheet

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Improper Fractions (Same Denominator)

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Student objectives

Add improper fractions when the bottom number is the same.
Subtract improper fractions when the bottom number is the same.
Rename an improper fraction as a mixed number after you add or subtract.
Simplify the final answer when the fraction can be reduced.

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4th Grade Adding & Subtracting Fractions Worksheets - Adding to 1 whole worksheet

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Adding to 1 whole

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Student objectives

Find the missing fraction that completes a whole when one part is given.
Add fractions with the same denominator to make a total of 1.

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4th Grade Adding & Subtracting Fractions Worksheets - Word Problems Same Denominator worksheet

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Word Problems Same Denominator

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Student objectives

Add fractions that already have the same denominator.
Subtract fractions that already have the same denominator.
Read a word problem and decide whether to add or subtract the fractions.

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4th Grade Adding & Subtracting Fractions Worksheets - Subtracting Mixed Fractions (Visual) worksheet

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Subtracting Mixed Fractions (Visual)

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Student objectives

Subtract mixed fractions to find the difference between two amounts.
Use fraction pictures to see how the wholes and parts change when you subtract.

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4th Grade Adding & Subtracting Fractions Worksheets - Adding Unit Fractions worksheet

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Adding Unit Fractions

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Student objectives

Add unit fractions that already have the same denominator.

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4th Grade Adding & Subtracting Fractions Worksheets - Comparing Fractions with Addition & Subtraction worksheet

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Comparing Fractions with Addition & Subtraction

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Student objectives

Add and subtract fractions to find a sum or difference.
Compare two fraction results to decide which is greater, less, or equal.
Use common denominators or equivalent fractions to make comparisons easier.

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4th Grade Adding & Subtracting Fractions Worksheets - Decomposing Fractions into Sums with Like Denominators worksheet

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Decomposing Fractions into Sums with Like Denominators

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Student objectives

Decompose a fraction into a sum of fractions with the same denominator.
Find a missing part when a fraction is written as a sum of smaller fractions.
Understand that the numerators of the parts add up to the numerator of the whole.

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More 4th grade topics

Decimals: Tenths & Hundredths 33 Place Value & Rounding 44 Equivalent & Comparing Fractions 14 Multiplication 17 Lines, Angles & Classifying Shapes 15 Long Division 19 Measuring Angles 9 Measurement & Conversions 31 Multi-Digit Addition & Subtraction 17 Factors, Multiples & Prime Numbers 13 Area & Perimeter 4 Multiplying Fractions by Whole Numbers 7 Multiplicative Comparison 11 Multi-Step Word Problems 12 Patterns 18 Lines of Symmetry 5 Money Word Problems 13 Line Plots 9

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