Notes on lesson on Rational and Irrational Numbers | kullabs.com

#### Rational and Irrational Numbers

A number that can be made by dividing two numbers is called rational number. The numbers which are not rational and that cannot be made by dividing two integers are called irrational numbers. The sets of number system i.e Natural numbers, Whole numbers, Integers, Rational numbers and Irrational numbers are defined under the set of real number system.