Solution: 1 45/39 as a decimal is 2.15
Methods
First step – Making the fraction improper:
The first step to changing 1 45/39 into a decimal is to change it to an improper fraction. To do that, we need to multiply 1 by 39 and add its product to 45 in the numerator to get: 84/39. Now we will attempt to convert 84/39 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 84 by the denominator 39 (which you can enter in any calculator):
84 (numerator) ÷ 39 (denominator) = 2.15
And finally, you get 2.15 as your answer when you convert 1 45/39 (or 84/39) 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 4 2/37 as a decimal?
What is 6 61/10 as a decimal?
What is 3 18/26 as a decimal?
What is 5 1/30 as a decimal?