Irrational number:- A number which can’t be expressed as an terminating decimal or recurring decimal and fractional form is called irrational.

Ex: π, (3.1415926535),

Irrational number is different from Rational number because Rational number is a number which can be expressed as fractional form or terminating decimal form is called rational number. It is exactly the opposite of Irrational number.

Ex:- 5 ,