One method to convert 120/121 to a decimal is by using the division method. Before we move ahead to the method, here is a quick recap on fractions: A fraction is a number representation that is broken down into two parts - the number on top is called the numerator, and the number on the bottom is called the denominator. To get a decimal using the division method, simply divide the numerator 120 by the denominator 121:
120 (numerator) ÷ 121 (denominator) = 0.99
And there you go! We got 0.99 as the answer when you convert 120/121 to a decimal.