Method: Fractify::Fraction#-

Defined in:
lib/fractify/fraction.rb

#-(other) ⇒ Object 



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# File 'lib/fractify/fraction.rb', line 152

def -(other)
  check_argument(other)

  fraction = dup
  object = if other.is_a? Numeric
             Fractify::Fraction.new(numeric: other)
           else
             other.dup
           end
  fraction.to_common_denominator!(object) unless object.zero?

  fraction.minus_to_numerator!
  object.minus_to_numerator!

  fraction.numerator -= object.numerator
  fraction.minus_to_negative_field!
  fraction.simplify!

  fraction
end