Is 18 a Rational Number?

The number 18 is a rational number if 18 can be expressed as a ratio, as in RATIOnal.

A quotient is the result you get when you divide one number by another number. For 18 to be a rational number, the quotient of two integers must equal 18.

In other words, for 18 to be a rational number, 18 must be able to be expressed as a ratio where both the numerator and the denominator are integers (whole numbers).

The number 18 can be expressed as 18/1 where 18 is the numerator and 1 is the denominator.

Thus, the answer to the question "Is 18 a rational number?" is YES.

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