How to simplify 15/21?

Simplifying a fraction (reducing it to the lowest terms), such as 15/21, means expressing the same value more clearly and concisely.

Step-by-step simplification of 15/21

  1. Start with computing the GCD of 15 and 21: GCD(15, 21) = 3.
  2. Divide the numerator by the GCD: 15/3 = 5
  3. Divide the denominator by the GCD: 21/3 = 7
  4. Combine these results to form the new simplified fraction: 5/7

The final result is: 15 21 = 5 7