Definitions for "Rational number"
a number that can be expressed as a ratio of two integers a/b with b not equal to zero; for example 3/4, 7, .5, .75, .333..., 7.5 Pi; the square root of 2, the square root of 3, .01001000100001..., etc. are not rational numbers
(4) Any number that can be represented in form , where a and b are integers and b is not 0.
A real number that can be expressed as a fraction.
Keywords:  abstract, object
an abstract object