Contest1261/B.cpp

#include<bits/stdc++.h>

using namespace std;

//B 分数加法，最大公约数的应用
int main() {
    int T, a, b, c, d;
    for (cin >> T; T-- && cin >> a >> b >> c >> d;) {
        int e = a * d + b * c;
        int f = b * d;
        int g = __gcd(e, f);
        e /= g;
        f /= g;
        cout << e << " " << f << endl;
    }
    return 0;
}