Fraction Calculator
Add, subtract, multiply, and divide fractions — results auto-simplified. Enter your values, click Calculate, and get the full result with its breakdown — everything is processed on your device, nothing is sent to a server.
All calculations run in your browser. Your data is never sent to our servers.
Example
Example Input
1/2 + 1/3
Example Output
5/6 (0.8333…)
How to Use
- 1Fill in each input field with the values you want to compute.
- 2If there are choices (units, mode, operation), pick what you need.
- 3Click the Calculate button (or press Ctrl+Enter).
- 4The main result and its breakdown appear in the Result area. Click Copy to copy it.
About the Fraction Calculator
The Fraction Calculator performs arithmetic on two fractions (a/b and c/d) and simplifies the result to lowest terms using the GCD. It also shows the decimal value.
Useful for school math, recipes, or ratio calculations that need exact fractions.
FAQ
Is this Fraction Calculator accurate?
Yes. It uses standard formulas and runs directly in your browser at full JavaScript precision (plus BigInt/decimal.js for large numbers where needed).
Is my data sent to a server?
No. All calculations happen entirely on your device. No values are sent to or stored on our servers.