Question

Define: A rational number.

Answer 1

A rational number :

A rational number is a number that can be expressed as a ratio of two integers. $\frac{p}{q}$ such that $q$≠ $0$, $p$ and $q$ are co-primes.

All the integers are rational numbers.

$\frac{1}{2}$, $\frac{4}{1}$, $\frac{2}{5}$ etc. are some examples of rational numbers.