Introduction

Rational Numbers :

A number is called Rational if it can be expressed in the form p/q where p and q are integers (q > 0). It includes all-natural, whole number and integers.

Example : 1/2, 4/3, 5/7,1 etc.

Natural Numbers :

All the positive integers from 1, 2, 3,……, ∞.

Whole Numbers :

All the natural numbers including zero are called Whole Numbers.

Integers :

All negative and positive numbers including zero are called Integers.