Rational number

Rational number, in mathematics, is the number that is expressed in fraction where denominator must not be zero. Thus the rational numbers are expressible as a ratio of whole numbers (x/y) where y is not equal to zero. It can also be expressed as a decimal, because it can be expressed in fraction of whole numbers.

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Rationale, Ratisbon, Ratlam City Vidhan Sabha Constituency, Ratlam District, Ratlam Lok Sabha Constituency