Simplify 13/21

Step 1: Identify the numbers

We start with the fraction: 13/21

Step 2: Find the Greatest Common Divisor (GCD)

The GCD of 13 and 21 is 1

Step 3: Divide both numbers by the GCD

Numerator: 13 ÷ 1 = 13

Denominator: 21 ÷ 1 = 21

Step 4: Final Result

The fraction 13/21 simplified to lowest terms is 13/21