Identify which condition is necessary for a number to be rational. It must be….

Answer 1

A number is considered rational if it can be expressed as the quotient of two integers, where the numerator is an integer and the denominator is a non-zero integer. In other words, a necessary condition for a number to be rational is that it must be representable in the form \( \frac{a}{b} \), where \( a \) and \( b \) are integers and \( b \neq 0 \).