One method to convert 129/5 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 129 by the denominator 5:
129 (numerator) ÷ 5 (denominator) = 25.8
And there you go! We got 25.8 as the answer when you convert 20 29/5 (or 129/5) to a decimal.