/* Name: Alon Doron, ID: 208957837 */

#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

struct Fraction
{
    int counter;
    int denominator;
};

int main() {
    int m, n, a, b;
    struct Fraction m_div_n, a_div_b, output;
    char ch;

    printf("Enter \"m\" number: ");
    scanf("%d", &m_div_n.counter);

    printf("Enter \"n\" number: ");
    scanf("%d", &m_div_n.denominator);

    printf("Enter \"a\" number: ");
    scanf("%d", &a_div_b.counter);

    printf("Enter \"b\" number: ");
    scanf("%d", &a_div_b.denominator);

    printf("Enter \"ch\" character: ");
    scanf(" %c", &ch);

    if (ch == '+') {
        output.counter = (m_div_n.counter * a_div_b.denominator) + (m_div_n.denominator * a_div_b.counter);
        output.denominator = m_div_n.denominator * a_div_b.denominator;
    }

    if (ch == '-') {
        output.counter = (m_div_n.counter * a_div_b.denominator) - (m_div_n.denominator * a_div_b.counter);
        output.denominator = m_div_n.denominator * a_div_b.denominator;
    }

    if (ch == '*') {
        output.counter = m_div_n.counter * a_div_b.counter;
        output.denominator = m_div_n.denominator * a_div_b.denominator;
    }

    if (ch == '/') {
        output.counter = m_div_n.counter * a_div_b.counter;
        output.denominator = m_div_n.denominator * a_div_b.denominator;
    }

    printf("The Output is: \n%d / %d = %f\n", output.counter, output.denominator,
        ((float)output.counter / output.denominator));
}