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 150 by the denominator 20:
150 (numerator) ÷ 20 (denominator) = 7.5
As a result, you get 7.5 as your answer when you convert 6 30/20 (or 150/20) to a decimal.