# Is 3/4 a rational, irrational, natural, whole, integer or real number?

Jul 6, 2015

(1) All numbers (including complex numbers, combinations with $i = \sqrt{- 1}$)
(2) Real numbers (excluding $i = \sqrt{- 1}$)
(3) Rational numbers can be written as the quotient, or fraction, or ratio, of two whole numbers, irrational numbers (like $\pi$ or $\sqrt{2}$) cannot.