Free printable worksheet
Adding and Subtracting Fractions Worksheet
Twenty fraction addition and subtraction problems with like and unlike denominators, including simplified answers.
Middle School MathGrades 5-73 pagesAnswer key included
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What this worksheet includes
- Twenty fraction addition and subtraction problems with like and unlike denominators, including simplified answers.
- 3-page printable PDF with a complete answer key
- Designed for Grades 5-7 middle school math practice
- Available as an immediate free download with no email required
How to use it
Use this adding and subtracting fractions worksheet for guided practice, independent review, homework, tutoring sessions, or a quick skills check. The spacious layout is designed to leave room for students to show their work rather than guess from crowded answer choices.
After students finish, compare their reasoning with the included answer key. When an answer is incorrect, have the student locate the first step where their work changed direction before trying the problem again.
Who this practice is for
This resource is designed for grades 5-7 students working on middle school math. Teachers, tutors, homeschool families, and parents can preview the first page before deciding whether the level and spacing fit the student.
Looking for a broader sequence? Browse all Middle School Math worksheets.
Topic guide
How to approach adding and subtracting fractions
Adding and subtracting fractions combines quantities measured in equal-sized parts. When denominators already match, the numerators can be combined directly; when they differ, equivalent fractions create a common unit first.
Every result should be simplified. An answer greater than one may be written as an improper fraction or converted to a mixed number when that form is easier to interpret.
Learning objectives
- Add and subtract fractions with like denominators
- Find common denominators for unlike fractions
- Simplify sums and differences
Skills to review first
- Equivalent fractions
- Least common multiples
- Simplifying fractions
Worked example
Follow the reasoning step by step
Add one third and one fourth.
- Find the least common denominator of 3 and 4: 12.
- Rewrite one third as four twelfths.
- Rewrite one fourth as three twelfths.
- Add the numerators while keeping the common denominator.
Solution: Seven twelfths.
Try before downloading
Three sample problems
Work each problem, then open the answer to check your result.
Show answer
Show answer
Error check
Common mistakes to watch for
- Adding or subtracting the denominators
- Changing a denominator without scaling the numerator
- Leaving the final fraction unsimplified