The number 90 is an irrational number if 90 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 90 to be an irrational number, the quotient of two integers canNOT equal 90.
In other words, for 90 to be an irrational number, 90 canNOT be expressed as a ratio where both the numerator and denominator are integers (whole numbers).
The number 90 can be expressed as 90/1 where 90 is the numerator and 1 is denominator.
Thus, the answer to the question "Is 90 an irrational number?" is NO.
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Is 91 an Irrational Number?
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