Solution: 21 9/6 as a decimal is 22.5MethodsFirst step – Making the fraction improper:The first step to changing 21 9/6 into a decimal is to change it to an improper fraction. To do that, we need to multiply 21 by 6 and add its product to 9 in the numerator to get: 135/6. Now we will attempt to convert 135/6 to a decimal using the following method. Explanation using the division method: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 135 by the denominator 6:135 (numerator) ÷ 6 (denominator) = 22.5As a result, you get 22.5 as your answer when you convert 21 9/6 (or 135/6) to a decimal.Convert some more fractions to decimals!Practice some more problems on converting fractions to decimals:What is 3 1/50 as a decimal?What is 3 23/32 as a decimal?What is 3 87/4 as a decimal?What is 3 47/25 as a decimal?