Simplify the fraction by the simplification number.
Step 1: Calculate the numerator
To calculate the new numerator, divide the numerator of the fraction (20) by the simplification number (20):
Numerator = 20 ÷ 20 = 1
Step 2: Calculate the denominator
To calculate the new denominator, divide the denominator of the fraction (100) by the simplification number (20):
Denominator = 100 ÷ 20 = 5