Rational Numbers
All positive and negative fractions,
including integers and socalled improper
fractions. Formally,
rational numbers are the set of all
real numbers that can be written
as a ratio of integers with nonzero denominator.
Rational numbers are
indicated
by the symbol .
Note: Real numbers that aren't rational are called irrational.
See
also
Natural numbers, whole
numbers, algebraic
numbers, imaginary numbers, complex
numbers, transcendental numbers
