#### Answer

Rational numbers are numbers that can be expressed as a quotient (or ratio) of two integers, $q$ and $n$, $\frac{q}{n}$, where $n\ne0$.

#### Work Step by Step

Rational numbers are numbers that can be expressed as a quotient (or ratio) of two integers, $q$ and $n$, $\frac{q}{n}$, where $n\ne0$. In other words, when trying to figure out if a number is rational, we consider if we can turn the number into a fraction of two integers.