We’ve seen a lot of posts on fractions, for example: Adding Fractions, Subtracting Fractions, Dividing Fractions, and Fraction Equivalents… but what exactly are **fractions**? What kind of number are they? **Today, we are going to look at fractions and rational numbers.**

##### All fractions are rational numbers.

And, what are rational numbers? They are numbers that can be represented by a fraction. If a number can’t be represented by a fraction, it’s called an *irrational number*.

For example:

So then how do we know if a number is rational? Let’s look at different kinds of numbers and see which ones are rational and which ones are irrational.

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### Learn More:

- Getting to Know Rational Numbers and Their Properties
- Understand What a Fraction Is and When It Is Used
- Learn New Methods for Dividing Fractions
- Equivalent Fractions
- Learn How to Divide Fractions with Two Different Methods

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