What is a Rational Number?

rational number  The symbol representing the rational numbers is Q Rational number examples Demonstration Image only  If you are asked to identify whether a number is rational or irrational, first write the number in decimal form If the number terminates then it is rational

This math video tutorial provides a basic introduction into rational and irrational numbers A rational number is a real number The real numbers that are rational are those whose decimal expansion either terminates after a finite number of digits (

A Rational Number can be made by dividing an integer by an integer Example:  This means rational numbers can be written as fractions Where the numerator and denominator are integers This makes them different from