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Division by 0 is not a valid mathematical operation - not just for rational numbers.

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Q: Why in a rational number denominatior is not zero?
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Related questions

Is zero a rational number but not an integer?

Zero is a rational number and an integer.


What happens when a rational number is divided by an irrational number?

When a rational numbers is divided by an irrational number, the answer is irrational for every non-zero rational number.


Is O a rational number?

A rational number can be expressed as a fraction or ratio of two integers. Zero is an integer. Therefore, zero is a rational number EXCEPT, that the denominator of a rational number cannot be zero. You can't divide by zero.


Is zero a rational or irratiional number?

It is rational.


An example of a rational number?

Zero (0) is a rational number.


Is 0 a rational or irrational number?

Zero (0) is a rational number, because it is a whole number and an integer.


Is zero a imagery number?

Zero is a rational number, not imaginary.


What kind of answer results when a rational number is multiplied zero?

The answer is zero. It is rational, precise, and exact.


Which rational number is negative of it self?

The only such number is zero.


What is a product of any rational number and zero?

zero


Why the product of nonzero rational number and a rational number is an irrational?

Actually the product of a nonzero rational number and another rational number will always be rational.The product of a nonzero rational number and an IRrational number will always be irrational. (You have to include the "nonzero" caveat because zero times an irrational number is zero, which is rational)


What is multiplication of a rational number by zero?

Zero times anything is zero.