Definition of rational numbers in English English dictionary
The set of numbers that can be expressed as a ratio of integers (fraction) m/n, where n is not zero. In set-builder notation, it is defined as {m/n|m∈ℤ,n∈ℕ}
A number capable of being expressed as an integer or a quotient of integers, excluding zero as a denominator. Any number that can be represented as the quotient of two integers (i.e., the denominator cannot equal zero). The set of rational numbers includes all integers as well as all fractions. In decimal form, rational numbers are either terminating or repeating decimals