Math · NUMORA
Fractions Calculator
Add, subtract, multiply, divide, then simplify.
Open interactive calculatorHow to use
Enter numerators and denominators.
Formula
a/b ◦ c/d, then divide by gcd
FAQ
Is this Fractions calculator accurate?
The formula and assumptions are shown on the page, and the engine is covered by audit tests. Results are for reference — not financial or medical advice.
Do I need an account?
No. Calculations run in your browser. Recents can stay on this device.
What inputs do I need?
Enter numerators and denominators.
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