In this video, we will be learning the difference between rational and irrational numbers.. After you finish this lesson, view all of our Algebra 1 lessons and practice problems.

## Examples of Real Numbers (Including Rational vs. Irrational Numbers)

### Example 1

$3.5$

$3.5$ is rational, because it can be written as the ratio $\dfrac{7}{2}$

### Example 2

$3.605551275$

$3.605551275$ is irrational because it shows that the number is non-terminating and also there is no repeating pattern.