Solution: 45 1/2 as a decimal is 45.5
Methods
First step – Making the fraction improper:
The first step to changing 45 1/2 into a decimal is to change it to an improper fraction. To do that, we need to multiply 45 by 2 and add its product to 1 in the numerator to get: 91/2. Now we will attempt to convert 91/2 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 91 by the denominator 2 (which you can enter in any calculator):
91 (numerator) ÷ 2 (denominator) = 45.5
And finally, you get 45.5 as your answer when you convert 45 1/2 (or 91/2) 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:
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What is 1 93/17 as a decimal?
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What is 1 123/23 as a decimal?