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 128 by the denominator 31:
128 (numerator) ÷ 31 (denominator) = 4.13
As a result, you get 4.13 as your answer when you convert 4 4/31 (or 128/31) to a decimal.