How to simplify 21/7?

Simplifying a fraction (reducing it to the lowest terms), such as 21/7, means expressing the same value more clearly and concisely.

Step-by-step simplification of 21/7

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

The final result is: 21 7 = 3 1