Is 15 an Irrational Number?
The number 15 is an irrational number if 15 canNOT be expressed as a ratio, as in irRATIOnal.
A quotient is the result you get when you divide one number by another number. For 15 to be an irrational number, the quotient of two integers canNOT equal 15.
In other words, for 15 to be an irrational number, 15 canNOT be expressed as a ratio where both the numerator and denominator are integers (whole numbers).
The number 15 can be expressed as 15/1 where 15 is the numerator and 1 is denominator.
Thus, the answer to the question "Is 15 an irrational number?" is NO.