How to simplify 21/45?

Simplifying a fraction (reducing it to the lowest terms), such as 21/45, means expressing the same value more clearly and concisely.

Step-by-step simplification of 21/45

  1. Start with computing the GCD of 21 and 45: GCD(21, 45) = 3.
  2. Divide the numerator by the GCD: 21/3 = 7
  3. Divide the denominator by the GCD: 45/3 = 15
  4. Combine these results to form the new simplified fraction: 7/15

The final result is: 21 45 = 7 15