paste bin

#include <cstdio>


int gcd(long long a,long long b)
{
    if (a%b==0)
        return b;
    else
        return gcd(b,a%b);
}

int main(void)
{
    int T,a1,a2,a3,b1,b2,b3,g;
    long long num,den;
    scanf("%d",&T);
    while(T--)
    {
        num=0;
        den=0;
        scanf("%d/%d %d/%d %d/%d",&a1,&b1,&a2,&b2,&a3,&b3);
        num =(long long)a1*b2*b3;
        num+=(long long)b1*a2*b3;
        num+=(long long)b1*b2*a3;
        den=(long long)b1*b2*b3;
        g=gcd(num,den);
        printf("%lld/%lld\n",num/g,den/g);
    }
    return 0;

}