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Adding and Subtracting Mixed Fractions - Printable Math Worksheets 4th Grade - Wayground

Adding and Subtracting Mixed Fractions

Meadow Sainsbury

Created by Meadow Sainsbury

10 questions

4th Grade

Math

Updated Feb 2026

Adding and Subtracting Mixed Fractions is a Grade 4 mathematics worksheet that helps students work with mixed numbers through addition, subtraction, and decomposition. The 10-item set includes nine multiple-choice questions and one multiple-select question, with practice interpreting mixed-number expressions, decomposing a mixed number into whole numbers and fractional parts, and finding sums and differences using fraction tiles and symbolic notation. The worksheet also connects these skills to one-step measurement and recipe word problems, asking students to determine total amounts or missing amounts. These varied formats help students apply mixed-fraction operations beyond isolated calculations and check whether an answer represents a sum or a difference. This free printable worksheet includes an answer key and is suitable for Grade 4 math practice, independent work, small-group instruction, or a quick skills check.

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Adding and Subtracting Mixed Fractions

Total questions: 10

Name
Class
Date
1.

Which mixed number is equivalent to the expression

88\frac{8}{8} + 88\frac{8}{8} + 18\frac{1}{8} + 18\frac{1}{8} + 18\frac{1}{8}

a)

2 58\frac{5}{8}

b)

2

c)

2 38\frac{3}{8}

d)

1 38\frac{3}{8}

2.

Fatima uses 5 35\frac{3}{5} meters of string to tie her tomatoes to garden stakes. She uses 3 15\frac{1}{5} meters of string to tie her beans to garden stakes. How many meters of string does Fatima use in all?

a)

9

b)

8

c)

8 45\frac{4}{5}

d)

9 15\frac{1}{5}

3.

What is the difference?

3 46\frac{4}{6} - 1 36\frac{3}{6}

a)

1 16\frac{1}{6}

b)

2 16\frac{1}{6}

c)

2 26\frac{2}{6}

d)

4 76\frac{7}{6}

4.

Which addition expressions shows ways to decompose 3 410\frac{4}{10}

a)

3+ 410\frac{4}{10}

b)

1+1+1+ 110\frac{1}{10} + 110\frac{1}{10} + 110\frac{1}{10} + 110\frac{1}{10}

c)

1+ 110\frac{1}{10} + 110\frac{1}{10} + 110\frac{1}{10} + 110\frac{1}{10}

d)

1+2+ 110\frac{1}{10} + 110\frac{1}{10} + 110\frac{1}{10} + 110\frac{1}{10}

e)

3+4

5.

What is the sum?

4 412\frac{4}{12} + 2 912\frac{9}{12}

a)

6 112\frac{1}{12}

b)

6 1112\frac{11}{12}

c)

7 112\frac{1}{12}

d)

7 212\frac{2}{12}

6.

Maya is baking bread. The recipe calls for 4 34\frac{3}{4} cups of rice and whole wheat flour combined. She has 2 14\frac{1}{4} cups of rice flour. How much whole wheat flour does she need to complete the recipe?

a)

2 14\frac{1}{4}

b)

2 24\frac{2}{4}

c)

4 24\frac{2}{4}

d)

7

7.
Look at the fraction tiles. What is the difference? 4 - 2 = ?

Look at the fraction tiles. What is the difference?

4 35\frac{3}{5} - 2 15\frac{1}{5} = ?

a)

1 25\frac{2}{5}

b)

2 25\frac{2}{5}

c)

2 15\frac{1}{5}

d)

2 45\frac{4}{5}

8.

Hudson kayaked 3 13\frac{1}{3} miles down a river. Will kayaked 1 23\frac{2}{3} fewer miles than Hudson. How many miles did Will kayak?

a)

1 23\frac{2}{3} miles

b)

2 13\frac{1}{3} miles

c)

2 23\frac{2}{3} miles

d)

5 miles

9.
What is the difference? 4 - 1 = ?

What is the difference?

4 24\frac{2}{4} - 1 34\frac{3}{4} = ?

a)

1 34\frac{3}{4}

b)

2 24\frac{2}{4}

c)

2 34\frac{3}{4}

d)

3 14\frac{1}{4}

10.

Alyssa decomposed a mixed number to 33\frac{3}{3} + 33\frac{3}{3} + 33\frac{3}{3} + 13\frac{1}{3} . What mixed number did Alyssa decompose?

a)

2 13\frac{1}{3}

b)

2 23\frac{2}{3}

c)

3 13\frac{1}{3}

d)

4 13\frac{1}{3}

WaygroundAnswer Key

Adding and Subtracting Mixed Fractions

Total questions: 10

1.
c)

2 38\frac{3}{8}

2.
c)

8 45\frac{4}{5}

3.
b)

2 16\frac{1}{6}

4.
a)

3+ 410\frac{4}{10}

, b)

1+1+1+ 110\frac{1}{10} + 110\frac{1}{10} + 110\frac{1}{10} + 110\frac{1}{10}

, d)

1+2+ 110\frac{1}{10} + 110\frac{1}{10} + 110\frac{1}{10} + 110\frac{1}{10}

5.
c)

7 112\frac{1}{12}

6.
b)

2 24\frac{2}{4}

7.
b)

2 25\frac{2}{5}

8.
a)

1 23\frac{2}{3} miles

9.
c)

2 34\frac{3}{4}

10.
c)

3 13\frac{1}{3}

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FAQs

What does the Adding and Subtracting Mixed Fractions worksheet cover?

This Grade 4 worksheet covers adding and subtracting mixed numbers, decomposing mixed numbers into whole-number and fractional parts, and interpreting fraction-tile models. Its 10 questions—nine multiple choice and one multiple select—ask students to solve symbolic expressions, identify valid decompositions, and apply the operations in measurement and recipe word problems.

How can I use this worksheet to teach adding and subtracting mixed numbers?

First model how a mixed number can be decomposed into a whole-number part and a fractional part, then solve one of the worksheet’s addition or subtraction expressions with students. Use the fraction-tile question to connect the visual model to the written calculation, and finish by discussing how the string, flour, and distance problems represent addition, subtraction, or a missing amount.

What mistakes should I watch for when students complete this mixed-fractions worksheet?

Watch for students choosing addition when a word problem asks for a difference, or subtraction when it asks for a total or missing amount. Students may also decompose the mixed number incorrectly, overlook a fractional part, or select only one valid expression on the multiple-select decomposition question. Ask them to identify the operation and represent each mixed number before checking the answer.

How do I assign and grade this Adding and Subtracting Mixed Fractions worksheet?

Wayground provides this worksheet as a printable PDF and as a digital quiz, and it includes a complete answer key for checking the nine multiple-choice and one multiple-select responses. For printable submissions, scan student work with the Wayground for Teachers app to streamline grading.

How can I differentiate this mixed-fractions worksheet for my students?

Use the worksheet’s Advanced Settings to adjust font spacing or font size so the mixed-number expressions, fraction-tile item, and word problems are easier to read. You can also enable a dyslexia-friendly font or translate the worksheet into another language when those file-level changes support access to the questions.

Where can I find more free worksheets like this on Wayground?

Wayground offers a broad collection of free printable worksheets and practice problems across subjects, with downloadable PDFs and answer keys to support essential skills and concepts. Browse more resources at https://wayground.com/en-us/worksheets.

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