hwcpp_1_1

#include <iostream>

using namespace std;

class Fraction {
private:
    int numerator;      // числитель
    int denominator;    // знаменатель

public:
    Fraction(int num, int denom) : numerator(num), denominator(denom) {}

    void input() {
        cout << "Введите числитель: ";
        cin >> numerator;
        cout << "Введите знаменатель: ";
        cin >> denominator;
    }

    void output() const {
        cout << numerator << "/" << denominator;
    }

    Fraction operator+(const Fraction& other) const {
        int num = numerator * other.denominator + other.numerator * denominator;
        int denom = denominator * other.denominator;
        return Fraction(num, denom);
    }

    Fraction operator-(const Fraction& other) const {
        int num = numerator * other.denominator - other.numerator * denominator;
        int denom = denominator * other.denominator;
        return Fraction(num, denom);
    }

    Fraction operator*(const Fraction& other) const {
        int num = numerator * other.numerator;
        int denom = denominator * other.denominator;
        return Fraction(num, denom);
    }

    Fraction operator/(const Fraction& other) const {
        int num = numerator * other.denominator;
        int denom = denominator * other.numerator;
        return Fraction(num, denom);
    }
};

int main() {
    Fraction f1(1, 2);
    Fraction f2(3, 4);

    Fraction sum = f1 + f2;
    Fraction diff = f1 - f2;
    Fraction prod = f1 * f2;
    Fraction quot = f1 / f2;

    cout << "Сумма дробей: ";
    sum.output();
    cout << endl;

    cout << "Разность дробей: ";
    diff.output();
    cout << endl;

    cout << "Произведение дробей: ";
    prod.output();
    cout << endl;

    cout << "Частное дробей: ";
    quot.output();
    cout << endl;

    return 0;
}