A fraction is written in terms of two parts: the number on top is called the numerator and the number on the bottom is called the denominator. We can use the division method to solve this question. To get a decimal, simply divide the numerator 87 by the denominator 48:
87 (numerator) ÷ 48 (denominator) = 1.81
As a result, you get 1.81 as your answer when you convert 1 39/48 (or 87/48) to a decimal.