Laboratorul 5 - Prob. 4

/**
 * Problema 4
 * Laboratorul 5 - Seria CC
 */

#include<stdio.h>

int cmmdc (int a, int b)
{
    while (a != b)
    {
        if (a > b)
            a = a - b;
        if (b > a)
            b = b - a;
    }
    return a;
}


int cmmmc (int a, int b)
{
    return (a * b / cmmdc (a, b));
}


int main ()
{
    int mc, x1, y1, x2, y2;
    scanf ("%d%d%d%d", &x1, &y1, &x2, &y2);
    if (y1 != y2)
    {
        mc = cmmmc (y1, y2);
        x1 = x1 * (mc / y1);
        x2 = x2 * (mc / y2);
        y1 = y2 = mc;
    }
    printf ("%d/%d\n%d/%d\n", x1, y1, x2, y2);
    return 0;
}