Solution: 12 86/4 as a decimal is 33.5MethodsFirst step – Making the fraction improper:The first step to changing 12 86/4 into a decimal is to change it to an improper fraction. To do that, we need to multiply 12 by 4 and add its product to 86 in the numerator to get: 134/4. Now we will attempt to convert 134/4 to a decimal using the following method:Explanation using the division method:One method to convert 134/4 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 134 by the denominator 4:134 (numerator) ÷ 4 (denominator) = 33.5And there you go! We got 33.5 as the answer when you convert 12 86/4 (or 134/4) 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 3 73/21 as a decimal?What is 1 62/44 as a decimal?What is 3 36/33 as a decimal?What is 1 37/49 as a decimal?