how to add (+), subtract (-), multiply (*), and divide (/) fractions; : Rational Numbers « Number « Ruby






  1. Ruby
  2. Number
  3. Rational Numbers

how to add (+), subtract (-), multiply (*), and divide (/) fractions;



require 'rational'
require 'mathn'

rat = Rational(25/100) # => 1/4 -- lowest terms

rat + Rational(1/4) # =>  1/2 -- add
rat + 1/4 # => 1/2

rat - Rational(1/8) # => 1/8 -- subtract
rat - 1/8 # => 1/8

rat * 3 # => 3/4 -- multiply
rat / 2 # => 1/8 -- divide








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