# Irrational Numbers, Definition Of Irrational Numbers

## What Are Irrational Numbers?

In math, **Irrational Numbers** are any real numbers that cannot be
expressed as a simple Fraction.

- For example the fraction ½ equals decimal 0.5. The decimal number ends making it a rational number.
- Irrational numbers that numbers that cannot be represented as terminating or repeating decimals.
- Pi is a well known irrational number because it never ends: 3.141592653589793...