One method to convert 139/33 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 33:
139 (numerator) ÷ 33 (denominator) = 4.21
And there you go! We got 4.21 as the answer when you convert 3 40/33 (or 139/33) to a decimal.