OhMyCalc

Simplify Fraction Calculator

Reduce any fraction to its simplest form using the greatest common divisor (GCD). Enter numerator and denominator.

How to Use the Simplify Fraction Calculator

  1. Enter the numerator of the fraction.
  2. Enter the denominator of the fraction.
  3. Click Simplify to see the reduced fraction and the GCD.

快速参考

4/81/2 (GCD 4)
6/92/3 (GCD 3)
12/182/3 (GCD 6)
15/253/5 (GCD 5)
7/117/11 (GCD 1)

使用场景

公式

GCD = greatest common divisor of numerator and denominator. Simplified = (Num / GCD) / (Den / GCD).

常见问题

How does simplification work?
Both numerator and denominator are divided by their greatest common divisor (GCD).
What is the GCD?
The largest positive integer that divides both numbers evenly. For 12 and 8, the GCD is 4.
What if the fraction is already simplified?
The GCD will be 1 and the fraction stays unchanged.