It cannot be zero.
Chat with our AI personalities
They always have a numerator but, if they are integers, the may not have a denominator.
It is a rational number.
Divide the numerator of the ratio by the denominator. The answer, with a denominator is the required unit fraction. And I have never ever used a diagram - I have no clue what it is or how to use it!
Numbers are either irrational (like the square root of 2 or pi) or rational (can be stated as a fraction using whole numbers). Irrational numbers are never rational.
Yes. A number can be either rational or irrational, but never both; otherwise there would be an inherent contradiction.