ПЗ - 2. Задание 7.

class Fraction:
    def __init__(self, numerator, denominator):
        self.numerator = numerator
        self.denominator = denominator

    def gcd(self,a,b):
        m = b
        if a < b:
            m = a
        for i in range(m, 1, -1):
            if a%i == 0 and b%i == 0:
                return i
        return 1

    def examination(self):
        if self.denominator == 0:
            return False
        else:
            return True

    def fraction_reduction(self): #сокращение дробей
        if self.examination():
            k = self.gcd(self.numerator, self.denominator)
            self.numerator = self.numerator//k
            self.denominator = self.denominator//k
            return (self.numerator, self.denominator)
        else:
            return False

    def multiplication(self, integer):     #умножение дроби на целое
        if self.examination():
            self.numerator = self.numerator * integer
            return (self.numerator, self.denominator)
        else:
            return False

    def division(self, integer):           #деление дроби на целое
        if self.examination():
            self.denominator = self.denominator * integer
            return (self.numerator, self.denominator)
        else:
            return False

fr1 = Fraction(180,177)
print(fr1.fraction_reduction())
print(fr1.multiplication(3))
print(fr1.division(3))