MATH SOLVE

3 months ago

Q:
# What is 7 121/2 as a decimal?

Accepted Solution

A:

Solution: 7 121/2 as a decimal is 67.5MethodsFirst step – Making the fraction improper:The first step to changing 7 121/2 into a decimal is to change it to an improper fraction. To do that, we need to multiply 7 by 2 and add its product to 121 in the numerator to get: 135/2. Now we will attempt to convert 135/2 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 135 by the denominator 2 (which you can enter in any calculator):135 (numerator) ÷ 2 (denominator) = 67.5And finally, you get 67.5 as your answer when you convert 7 121/2 (or 135/2) 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 1/38 as a decimal?What is 10 65/5 as a decimal?What is 5 53/10 as a decimal?What is 4 15/27 as a decimal?