Solution: 3 3/42 as a decimal is 3.07MethodsFirst step – Making the fraction improper:The first step to changing 3 3/42 into a decimal is to change it to an improper fraction. To do that, we need to multiply 3 by 42 and add its product to 3 in the numerator to get: 129/42. Now we will attempt to convert 129/42 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 129 by the denominator 42:129 (numerator) ÷ 42 (denominator) = 3.07As a result, you get 3.07 as your answer when you convert 3 3/42 (or 129/42) to a decimal.Convert some more fractions to decimals!Practice some more problems on converting fractions to decimals:What is 13 4/11 as a decimal?What is 1 78/33 as a decimal?What is 1 71/24 as a decimal?What is 1 111/34 as a decimal?