Fractions operator+(Fractions &y){
        Fractions temp;
        //er = &temp;
        temp.numerator = (numerator * y.denominator) + (y.numerator * denominator);
        temp.denominator = denominator * y.denominator;
        temp.reduction();
        return temp;
    }
    Fractions operator-(Fractions &y){
        Fractions temp;
        //er = &temp;
        temp.numerator = (numerator * y.denominator) - (y.numerator * denominator);
        temp.denominator = denominator * y.denominator;
        temp.reduction();
        return temp;
    }
    Fractions operator/(Fractions &y){
        Fractions temp;
        //er = &temp;
        temp.numerator = numerator * y.denominator;
        temp.denominator = denominator * y.numerator;
        temp.reduction();
        return temp;
    }
    Fractions operator*(Fractions &y){
        Fractions temp;
        //er = &temp;
        temp.numerator = numerator * y.numerator;
        temp.denominator = denominator * y.denominator;
        temp.reduction();
        return temp;
    }
    Fractions operator*(const int &y){
        Fractions temp,tempy;
        //er = &temp;
        //tempy.numerator = y;
        //tempy.denominator = 1;
        temp.numerator = numerator * y;
        temp.denominator = denominator;
        temp.reduction();
        return temp;
    }
    Fractions &operator=(Fractions &y){
        if(this == &y)
            return *this;

        numerator = y.numerator;
        denominator = y.denominator;
        reduction();
        return *this;
    }
    Fractions &operator=(const int &y){
        numerator = y;
        denominator = 1;
        return *this;
    }
    void reduction(){
        int min, d, n;
        n = numerator;
        d = denominator;
        if (n<d){
            min = n;
        }
        else
            min = d;
        bool flag = true;
        while(flag){
            flag = false;
            for (int i = 2; i<=min; i++)
                if (n%i==0 && d%i==0){
                    n = n/i;
                    d = d/i;
                    flag = true;
                }
        }
        numerator = n;
        denominator = d;
        std::cout << "reduction reduction" << std::endl;
    }