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Add and Subtracting Fractions - Printable Mathematics Worksheets - Wayground

Add and Subtracting Fractions

15 questions

5th - 6th Grade

Mathematics

Add and Subtracting Fractions is a free printable mathematics worksheet for students in Grades 5–6. It provides 15 multiple-choice questions that focus on identifying common denominators, selecting possible or impossible common denominators, and adding or subtracting fractions with unlike denominators. Students also simplify results, combine three fractions, and apply fraction addition to a paint-mixture word problem. This worksheet helps teachers check whether students understand the process behind fraction operations rather than adding or subtracting numerators and denominators directly. The varied items include straightforward calculations, denominator reasoning, multi-fraction sums, subtraction problems, and one real-world application, making it useful for guided practice, independent work, or a quick skills check. The worksheet is available as a free printable PDF and includes a complete answer key for efficient review and grading.

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Worksheets

Add and Subtracting Fractions

Total questions: 15

Name
Class
Date
1.
8/9 - 1/3 = 
a)
7/6
b)
5/9
c)
2/3
d)
8/27
2.
What number could be a common denominator for these two fractions?
1/5   and   5/6?
a)
30
b)
11
c)
6
d)
5
3.
What number could be a common denominator for these two fractions?
2/3   and   3/4
a)
3
b)
4
c)
7
d)
12
4.
What number could be a common denominator for these two fractions?
1/5   and   5/6?
a)
30
b)
11
c)
6
d)
5
5.
What must you have to add and subtract fractions?
a)
Common numerators
b)
Different numerators
c)
Different denominators
d)
Common denominators
6.
2/3 + 1/2 = 
a)
6/7
b)
2/6
c)
3/5
d)
7/6
7.
What is the sum of 1/2 + 1/3 + 1/6?  
Simplify your answer.
a)
1
b)
3/24
c)
5/6
d)
3/12
8.
Which of these numbers could NOT be a common denominator for these three fractions?
1/3   and 2/5   and   3/10
a)
15
b)
30
c)
60
d)
90
9.
2/6 + 2/8 =
a)
4/14
b)
4/8
c)
7/12
d)
8/16
10.
4/8 + 1/3 =
a)
5/11
b)
4/8
c)
5/6
d)
4/11
11.
Aden is helping his dad paint his house. They mixed 5/9 gallons of white paint and 1/6 gallons of blue paint. How many gallons was the mixture in all?
a)
6/18 gallons
b)
13/18 gallons
c)
4/5 gallons
d)
1/6 gallons
12.
a)
1/12
b)
1
c)
2/35
d)
23/25
13.
Solve: 11/12 - ¾
a)
1⅙
b)
1
c)
⅙
d)
⅔
14.
Subtract and simplify
3/7-2/6
a)
4/42
b)
2/21
c)
1/1
d)
5/13
15.
Subtract and simplify
2/4 - 3/8
a)
1/8
b)
5/4
c)
4/32
d)
1/2
Answer Key

Add and Subtracting Fractions

Total questions: 15

1.
b) 5/9
2.
a) 30
3.
d) 12
4.
a) 30
5.
d) Common denominators
6.
d) 7/6
7.
a) 1
8.
a) 15
9.
c) 7/12
10.
c) 5/6
11.
b) 13/18 gallons
12.
c) 2/35
13.
c) ⅙
14.
b) 2/21
15.
a) 1/8

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FAQs

What does this worksheet cover, and how does it help students learn fraction addition and subtraction?

This Grade 5–6 worksheet uses 15 multiple-choice items to practice finding common denominators and adding or subtracting fractions with unlike denominators. Students identify valid and invalid common denominators, solve sums and differences, simplify answers, combine three fractions, and apply the skill in a paint-mixture word problem. The varied question types reinforce both the procedure and the reasoning needed to use equivalent fractions.

How can I use this worksheet to teach adding and subtracting fractions with unlike denominators?

Introduce the worksheet by modeling how to replace unlike denominators with a common denominator before operating on the numerators. Begin with the denominator-selection questions, then work through the computation items and ask students to explain why each denominator works. Use the three-fraction and paint-mixture questions for guided discussion about keeping equivalent values while combining quantities.

What mistakes should I watch for when students complete this fraction worksheet?

Watch for students adding or subtracting denominators, choosing a number that is not a common multiple, or changing a numerator without making an equivalent fraction. Students may also select a valid denominator when a question asks which one could not be used, or stop before simplifying a result such as a fraction from the subtraction items. In the paint-mixture problem, check that students add the two fractional amounts rather than treating the denominators as whole-number quantities.

How do I assign and grade this adding and subtracting fractions worksheet?

You can assign this worksheet as a printable PDF or as a digital quiz on Wayground, and it includes a complete answer key. For printable submissions, scan student work with the Wayground for Teachers app to support grading and review. The printable format can also help schools reduce screen time while students practice finding common denominators and simplifying fraction results.

How can I differentiate this worksheet for my students?

Use the worksheet’s Advanced Settings to adjust font spacing or choose a larger font size so the 15 multiple-choice fraction items are easier to read and annotate. You can also apply a dyslexia-friendly font or translate the worksheet into another language when appropriate. These options preserve the worksheet’s focus on common denominators, fraction operations, and simplification.

Where can I find more worksheets like this on Wayground?

Wayground offers a comprehensive collection of free printable worksheets and practice problems across all 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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