Solution: 3 99/13 as a decimal is 10.62MethodsFirst step – Making the fraction improper:The first step to changing 3 99/13 into a decimal is to change it to an improper fraction. To do that, we need to multiply 3 by 13 and add its product to 99 in the numerator to get: 138/13. Now we will attempt to convert 138/13 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 138 by the denominator 13:138 (numerator) ÷ 13 (denominator) = 10.62As a result, you get 10.62 as your answer when you convert 3 99/13 (or 138/13) to a decimal.Convert some more fractions to decimals!Practice some more problems on converting fractions to decimals:What is 4 17/28 as a decimal?What is 4 7/35 as a decimal?What is 2 2/34 as a decimal?What is 1 19/48 as a decimal?