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Add and Subtract Unlike Fractions - Printable Mathematics Worksheets - Wayground

Add and Subtract Unlike Fractions

12 questions

5th - 5th Grade

Mathematics

This Grade 5 mathematics worksheet gives students focused practice adding and subtracting fractions with unlike denominators. Across 12 multiple-choice questions, students identify least common denominators, rewrite fractions to equivalent forms, solve addition and subtraction problems, and recognize results such as improper fractions and simplified answers. The question set includes straightforward computations such as 3/5 + 1/4, least-common-denominator items, and final problems that ask students to simplify sums including 2/5 + 1/10 and 1/9 + 2/3. It is useful for guided practice, independent review, or a quick check of whether students can apply the common-denominator process accurately. This free printable worksheet includes a complete answer key for efficient checking and feedback.

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Add and Subtract Unlike Fractions

Total questions: 12

Name
Class
Date
1.
3/5 + 1/4 = 
a)
5/20
b)
12/20
c)
7/20
d)
17/20
2.
What is the least common denominator for 1/3 and 3/4?
What is the least common denominator for 1/3 and 3/4?
a)
6
b)
4
c)
3
d)
12
3.
What is the least common denominator for 6/7 and 1/2?
What is the least common denominator for 6/7 and 1/2?
a)
12
b)
14
c)
7
d)
6
4.
Add these fractions.
1/2 + 1/3 =
a)
5/6
b)
2/5
c)
1/5
d)
1
5.
6/7 - 2/3 =
a)
32/21
b)
4/21
c)
1 3/21
d)
7/21
6.
3/4 + 2/8 = 
a)
1
b)
5/12
c)
6/32
d)
5/8
7.
8/9 - 1/3 = 
a)
7/6
b)
5/9
c)
2/3
d)
8/27
8.
2/3 + 1/2 = 
a)
6/7
b)
2/6
c)
3/5
d)
7/6
9.
What is the difference?

What is the difference?

a)

1324\frac{13}{24}

b)

524\frac{5}{24}

c)

1248\frac{12}{48}

d)

65\frac{6}{5}

10.
What is the sum?

What is the sum?

a)

612\frac{6}{12}

b)

1712\frac{17}{12}

c)

1

d)

57\frac{5}{7}

11.

Add the fraction, simplify if you can.
 25+110\frac{2}{5}+\frac{1}{10}  

a)

 12\frac{1}{2}  

b)

 14\frac{1}{4}  

c)

 15\frac{1}{5}  

12.

Add the fractions, simplify if you can.

 19+23\frac{1}{9}+\frac{2}{3}  

a)

 79\frac{7}{9}  

b)

 59\frac{5}{9}  

c)

 13\frac{1}{3}  

WaygroundAnswer Key

Add and Subtract Unlike Fractions

Total questions: 12

1.
d) 17/20
2.
d) 12
3.
b) 14
4.
a) 5/6
5.
b) 4/21
6.
a) 1
7.
b) 5/9
8.
d) 7/6
9.
a)

1324\frac{13}{24}

10.
b)

1712\frac{17}{12}

11.
a)

 12\frac{1}{2}  

12.
a)

 79\frac{7}{9}  

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FAQs

What does the Add and Subtract Unlike Fractions worksheet cover?

This Grade 5 worksheet covers adding and subtracting fractions with unlike denominators through 12 multiple-choice questions. Students identify least common denominators, convert fractions to equivalent forms, calculate sums and differences, and simplify results when possible.

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

Use the least-common-denominator questions first to review how students find a shared denominator, then model rewriting the fractions before adding or subtracting numerators. Students can apply that process to the computation items, while you use examples such as 3/5 + 1/4 or 6/7 - 2/3 to discuss why the denominators cannot be combined directly.

What mistakes should I watch for on this unlike fractions worksheet?

Watch for students adding or subtracting denominators, choosing a non-common denominator, or failing to multiply both the numerator and denominator when making equivalent fractions. In the final items, check that students simplify answers such as 2/5 + 1/10 and do not reject valid improper results such as 7/6 or 17/12.

How do I assign and grade this Add and Subtract Unlike Fractions worksheet?

Wayground provides this worksheet as a printable PDF and as a digital quiz, so you can choose paper-based or online practice for the 12 multiple-choice fraction questions. It includes a complete answer key, and printable submissions can be graded by scanning student work with the Wayground for Teachers app.

How can I differentiate this unlike fractions worksheet for my students?

In the worksheet’s Advanced Settings, adjust font spacing or font size to make the fraction expressions and answer choices easier to read. You can also apply a dyslexia-friendly font or translate the worksheet into another language while keeping its multiple-choice format.

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

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

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