How to simplify 42/21?

Simplifying a fraction (reducing it to the lowest terms), such as 42/21, means expressing the same value more clearly and concisely.

Step-by-step simplification of 42/21

  1. Start with computing the GCD of 42 and 21: GCD(42, 21) = 21.
  2. Divide the numerator by the GCD: 42/21 = 2
  3. Divide the denominator by the GCD: 21/21 = 1
  4. Combine these results to form the new simplified fraction: 2/1

The final result is: 42 21 = 2 1