Fraction Calculator

Perform operations with fractions, simplify, and convert between fractions and decimals.

Fraction operations

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Result

1
2
+
1
4
=
3
4

Decimal value

0.750000

What is a fraction?

A fraction represents a part of a whole. It consists of a numerator (top) that indicates how many parts we take, and a denominator (bottom) that indicates into how many parts the whole is divided.

Fraction operations

To add/subtract: find common denominator. To multiply: multiply numerators and denominators. To divide: multiply by the reciprocal of the second fraction.

Fraction Simplification

A fraction is fully simplified when numerator and denominator have no common factors except 1. To simplify, divide both by their greatest common divisor (GCD).