Fraction Calculator — Operations and Simplification
CalculatorA fraction calculator performs arithmetic on two fractions and simplifies the result to lowest terms.
What is it
A fraction represents a value with a numerator and denominator. Addition and subtraction use a common denominator, multiplication multiplies numerators and denominators, and division multiplies by the reciprocal.
a/b + c/d = (ad + bc) / bd; a/b × c/d = ac / bd
How to use
- 1Enter the first fraction A/B.
- 2Enter the second fraction C/D and choose an operation.
- 3Press calculate to see the simplified result.
Reference
| Input | Result |
|---|---|
| 1/2 + 1/3 | 5/6 |
| 2/3 × 3/4 | 1/2 |
Sources & standards
- MDN Web Docs: Client-side web APIs - MDN Web Docs
FAQ
How do you add fractions?
Use a common denominator, calculate the numerator as ad+bc, then simplify the result.
Is fraction calculator input sent to a server?
No. This tool runs in your browser and does not send input to a server.