kind=defined
names=denominator
visibility=public

--- denominator -> Fixnum
自分自身の実部・虚部の分母のLCM(最小公倍数)を返します。

例:

  z1 = Complex.new(1, 2)
  z2 = Complex.new(Rational.new!(1, 3), Rational.new!(3, 5))

  p z1.denominator  #=> 1
  p z2.denominator  #=> 15

