Solution: 3 19/21 as a decimal is 3.9MethodsFirst step – Making the fraction improper:The first step to changing 3 19/21 into a decimal is to change it to an improper fraction. To do that, we need to multiply 3 by 21 and add its product to 19 in the numerator to get: 82/21. Now we will attempt to convert 82/21 to a decimal using the following method:Explanation using the division method:One method to convert 82/21 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 82 by the denominator 21:82 (numerator) ÷ 21 (denominator) = 3.9And there you go! We got 3.9 as the answer when you convert 3 19/21 (or 82/21) to a decimal.Practice more problems!All it takes to be better at something is some practice! Take a look at some more similar problems on converting fractions to decimals and give them a go:What is 1 78/19 as a decimal?What is 2 48/46 as a decimal?What is 3 14/29 as a decimal?What is 2 5/47 as a decimal?