One method to convert 139/8 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 139 by the denominator 8:
139 (numerator) ÷ 8 (denominator) = 17.38
And there you go! We got 17.38 as the answer when you convert 17 3/8 (or 139/8) to a decimal.