how that each number is a rational number by writing it as a

quotient of two integers.

How do I do that with the number 21

63

––— is just one of many.

3

A rational number is a number that can be written in the form \(\frac{a}{b}\) where a is any integer and b is a counting number.

Guest provided one way to represent 21, but \(\frac{21}{1} \) is the simplest example of them all.