One method to convert 117/2 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 117 by the denominator 2:
117 (numerator) ÷ 2 (denominator) = 58.5
And there you go! We got 58.5 as the answer when you convert 30 57/2 (or 117/2) to a decimal.