How to use: Add and Subtract Fractions
Add and Subtract Fractions is a free online Math & Statistics tool that add, subtract, multiply or divide fractions with the common denominator and GCD reduction shown instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
Use Add and Subtract Fractions now →
Description
Add, subtract, multiply or divide fractions with the common denominator and GCD reduction shown.
- Math & Statistics
- Because everything is computed client-side, Add and Subtract Fractions is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using Add and Subtract Fractions takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Run
Examples
Enter the second fraction in the options field; the common denominator and GCD reduction are shown.
Input
1/2
Output
1/2 + 1/3 = 5/6 = 0.833333333333 Workings 1/2 + 1/3 common denominator 6 = (3 + 2) / 6 reduced by GCD 1
This output was produced by actually running the tool, not written by hand.
Use cases
Common situations where Add and Subtract Fractions helps:
- Add, subtract, multiply or divide fractions with the common denominator and GCD reduction shown.
Parameters
This tool has no options — it works on the input alone.
FAQ
What is Add and Subtract Fractions?
Add and Subtract Fractions add, subtract, multiply or divide fractions with the common denominator and GCD reduction shown. It runs entirely in your browser, so your data stays private.
Is Add and Subtract Fractions free to use?
Yes. Add and Subtract Fractions is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.
Good to know
- Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.