What is 81 45/21 as a decimal?

Accepted Solution

Solution: 81 45/21 as a decimal is 83.14MethodsFirst step – Making the fraction improper:The first step to changing 81 45/21 into a decimal is to change it to an improper fraction. To do that, we need to multiply 81 by 21 and add its product to 45 in the numerator to get: 1746/21. Now we will attempt to convert 1746/21 to a decimal using the following method:Explanation using the division method:A fraction is usually split into two parts: the first part is the number on top, called the numerator; and the second part is the number on the bottom, called the denominator. These are both separated by a line called the “divisor line”. We can use the division method help to solve this question: to get a decimal, simply divide the numerator 1746 by the denominator 21 (which you can enter in any calculator):1746 (numerator) ÷ 21 (denominator) = 83.14And finally, you get 83.14 as your answer when you convert 81 45/21 (or 1746/21) to a decimal. Practice more conversion problemsAll 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 1 108/40 as a decimal?What is 12 18/11 as a decimal?What is 1 60/15 as a decimal?What is 3 8/22 as a decimal?