Python Racional

racional.py

import math

class Racional:
	def __init__(self, dividendo, divisor):
		self.divisor = divisor
		self.dividendo = dividendo
	
	def __str__(self):
		return str(self.dividendo) + '/' + str(self.divisor)

	def __mul__(self, outro):
		divisor = self.divisor * outro.divisor
		dividendo = self.dividendo * outro.dividendo
		return new Racional(dividendo, divisor)

	def __add__(self, outro):
		commonMultiple = Racional.leastCommonMultiple(self.divisor. outro.divisor)

		dividendo1 = self.dividendo * (commonMultiple/self.divisor)
		dividendo2 = outro.dividendo * (commonMultiple/outro.divisor)

		return new Racional(dividendo1+dividendo2, commonMultiple)

	def highestCommonFactor(a, b):
		return a if b == 0 else Racional.highestCommonFactor(b, (a%b))

	def leastCommonMultiple(a,b): 
	    return a * b / Racional.highestCommonFactor(a,b)
	


a = Racional(1,2)
b = Racional(3,4) 

c = a*b
d = a+b
print("Seja o racional a = ",a)
print("Seja o racional b = ",b)
print("Seja o racional c (a * b) = ",c)
print("Seja o racional c (a + b) = ",d)