Question

what is rational number how can we find this is rational number and best exanple if rational number

Answer 1

rational number are number which can be represented in the form of p/q where q≠0 and p and q are integers and co prime numbers.
we can identify them by the properties given above.
example- 
4/5,-3/2,9/8,6 or 6/1 and 2/7 

Answer 2

A rational number is a number that can be express as the ratio of two integers. A number that cannot be expressed that way is irrational. For example, one third in decimal form is 0.33333333333333 (the threes go on forever).