Rational number

A number which can be expressed as the ratio of two integers where the denominator is not equal to zero is called an rational number.

Example

4 / 5 ,   0  ,  -2 /3  etc.

A non terminating and repeating decimal is also called a rational number.

Example

0.27272727……………………………….

0.318564318564318564…………………………….

Between any two rationals there are infinitely many rationals.

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