How to simplify 21/81?

Simplifying a fraction (reducing it to the lowest terms), such as 21/81, means expressing the same value more clearly and concisely.

Step-by-step simplification of 21/81

  1. Start with computing the GCD of 21 and 81: GCD(21, 81) = 3.
  2. Divide the numerator by the GCD: 21/3 = 7
  3. Divide the denominator by the GCD: 81/3 = 27
  4. Combine these results to form the new simplified fraction: 7/27

The final result is: 21 81 = 7 27