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A ratio with denominator 0 is not defined.
It is not defined.
It is a rational fraction.
When expressed as a ratio of two integers (not intergers!), the simplest form for the integer but not others, has 1 as the denominator.
Rational numbers
A ratio with denominator 0 is not defined.
It is not defined.
It is not defined.
It is a rational fraction.
The denominator cannot be 0 because division by 0 is not defined.
And the denominator is 0
The ratio is not defined.
There is none
When expressed as a ratio of two integers (not intergers!), the simplest form for the integer but not others, has 1 as the denominator.
That defines a rational number.
It is a rational fraction.
It is a rational number.