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How are rational and irrational numbers different?

Answer:
Rational numbers can be expressed as a ratio of two integers, x/y, where y is not 0. Conventionally, y is taken to be greater than 0 but that is not an essential element of the definition. An irrational number is one for which such a pair of integers does not exist.
First answer by Mehtamatics. Last edit by Mehtamatics. Contributor trust: 610 [recommend contributor recommended]. Question popularity: 5 [recommend question].

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