Fraction Simplifier

Reduce any fraction to its lowest terms instantly. Also shows the GCD and decimal equivalent.

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Simplified fraction

2 / 3

Decimal

0.666667

GCD

6

How to Simplify a Fraction

  1. Find the Greatest Common Divisor (GCD) of the numerator and denominator.
  2. Divide both the numerator and denominator by the GCD.
  3. The result is the fraction in its simplest form.

Example: 12/18 → GCD(12, 18) = 6 → 12÷6 / 18÷6 = 2/3

The Euclidean Algorithm (GCD)

This calculator uses the Euclidean algorithm to find the GCD, which works by repeatedly replacing the larger number with the remainder of dividing the larger by the smaller, until the remainder is zero.