Fraction Calculator
Add, subtract, multiply, divide fractions
Use this when you need a fast, accurate result — no sign-up, works entirely in your browser.
Result—
How to Use
- Enter your details into the fields above.
- Click the calculate button to get your result instantly.
- Use the clear button to start a new calculation.
Example
- 1/2 + 1/3 → 5/6
- 3/4 ÷ 1/2 → 3/2
Formula
Add / subtract: a/b ± c/d = (ad ± bc) / bd. Multiply: (a/b) × (c/d) = ac / bd. Divide: (a/b) ÷ (c/d) = ad / bc. Every result is reduced to lowest terms using the greatest common divisor.
About Fraction Calculator
Add, subtract, multiply, divide fractions. This free online tool gives you fast, accurate results without registration or downloads.
Everything runs locally in your browser, so your data is never uploaded or stored — privacy first.
Frequently Asked Questions
Is the Fraction Calculator accurate? +
Yes, the Fraction Calculator gives precise results using standard mathematical formulas, with no rounding errors in typical use.
Is the Fraction Calculator free to use? +
Yes, it is completely free with no registration or download required.
Does the Fraction Calculator work on mobile? +
Yes, it works on any device with instant, in-browser results.