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.
Input Add and Subtract Fractions Output Runs 100% in your browser — your data never leaves your device.
Add and Subtract Fractions — Input → Output

How to use

Using Add and Subtract Fractions takes three steps:

  1. Paste your data into the input box (or load the example).
  2. Configure the options to match your target format or scenario.
  3. Copy, download or inspect the output — it updates live as you type.
How to use · Add and Subtract Fractions 1 Paste your data intothe input box (or loadthe example). 2 Configure the optionsto match your targetformat or scenario. 3 Copy, download orinspect the output —it updates live as youtype.
How to use

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.

Related tools

Add and Subtract Fractions → · Math & Statistics →

Use Add and Subtract Fractions now →