noun
- plural of rational; numbers that can be expressed as the ratio of two integers
Usage: mathematics
Examples
- The set of rationals is dense in the real numbers.
- Mathematicians study the properties of rationals versus irrationals.
- All integers are rationals since they can be written as fractions.
- The rationals form a field under addition and multiplication.
- Between any two rationals, there exists another rational number.
- Students learn that rationals have either terminating or repeating decimal expansions.