
Add and subtract positive and negative fractions
Free printable Grade 7 math worksheet for "Add and subtract positive and negative fractions" — practice operations with rational numbers. No-prep, print or assign online.
This worksheet provides challenging practice for middle school students on adding and subtracting positive and negative fractions. Designed for Grade 7 math, it focuses on operations with rational numbers, helping students master finding common denominators and simplifying answers. Teachers can use this resource to reinforce fraction skills and deepen understanding of signed number operations in a structured, step-by-step format.
Learning objectives
- Add positive and negative fractions with unlike denominators accurately.
- Subtract positive and negative fractions by finding common denominators.
- Simplify the results of addition and subtraction of rational numbers.
Answer Key

How to use this worksheet
- Click “Download Worksheet” to get the PDF — free with a KiwiBee account (up to 25 downloads a month).
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Add and subtract positive and negative fractions” worksheet free?
Yes. “Add and subtract positive and negative fractions” is a free printable Math worksheet. Sign in with a free KiwiBee account to download the PDF — it includes up to 25 downloads a month.
What grade or age is this Math worksheet for?
It's designed for Middle School (ages 11–14), covering Operations with rational numbers.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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