Solution: 2 21/20 as a decimal is 3.05
Methods
First step β Making the fraction improper:
The first step to changing 2 21/20 into a decimal is to change it to an improper fraction. To do that, we need to multiply 2 by 20 and add its product to 21 in the numerator to get: 61/20. Now we will attempt to convert 61/20 to a decimal using the following method:
Explanation using the division method:
One method to convert 61/20 to a decimal is by using the division method. Before we move ahead to the method, here is a quick recap on fractions: A fraction is a number representation that is broken down into two parts - the number on top is called the numerator, and the number on the bottom is called the denominator. To get a decimal using the division method, simply divide the numerator 61 by the denominator 20:
61 (numerator) Γ· 20 (denominator) = 3.05
And there you go! We got 3.05 as the answer when you convert 2 21/20 (or 61/20) to a decimal.
Practice more 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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