Q:

What is 12 31/7 as a decimal?

Accepted Solution

A:
Solution: 12 31/7 as a decimal is 16.43 Methods First step – Making the fraction improper: The first step to changing 12 31/7 into a decimal is to change it to an improper fraction. To do that, we need to multiply 12 by 7 and add its product to 31 in the numerator to get: 115/7. Now we will attempt to convert 115/7 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 115 by the denominator 7 (which you can enter in any calculator): 115 (numerator) ÷ 7 (denominator) = 16.43 And finally, you get 16.43 as your answer when you convert 12 31/7 (or 115/7) to a decimal. Practice more conversion 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 5 4/28 as a decimal? What is 2 57/2 as a decimal? What is 4 3/27 as a decimal? What is 3 28/30 as a decimal?