What is 3 86/21 as a decimal?

Solution: 3 86/21 as a decimal is 7.1

Methods

First step – Making the fraction improper:

The first step to changing 3 86/21 into a decimal is to change it to an improper fraction. To do that, we need to multiply 3 by 21 and add its product to 86 in the numerator to get: 149/21. Now we will attempt to convert 149/21 to a decimal using the following method:

Explanation using the division method:

One method to convert 149/21 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 149 by the denominator 21:

149 (numerator) ÷ 21 (denominator) = 7.1

And there you go! We got 7.1 as the answer when you convert 3 86/21 (or 149/21) 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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