**Rational Numbers :** when the numbers are written in fractions they are known as rational numbers.

Or, The numbers which can be written in the form **p/q **(where *p* and *q* are integers and *q* ≠ 0) are called rational numbers.

**Note : **0 (zero) in an integers, however it is a rational number.

**Example -** 1/2, 3/4, 8/9, 13/14... etc.