#include <iostream>
#include <cmath>

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

void simplifyFraction(int &numerator, int &denominator) {
    int commonDivisor = gcd(numerator, denominator);
    numerator /= commonDivisor;
    denominator /= commonDivisor;
}

int main() {
    int numGames;
    std::cout << "Enter the number of games: ";
    std::cin >> numGames;

    for (int i = 0; i < numGames; ++i) {
        int achievementsAvailable, achievementsUnlocked;
        std::cin >> achievementsAvailable;

        
        std::cin >> achievementsUnlocked;


        int numerator = achievementsUnlocked * 100;
        int denominator = achievementsAvailable;

        simplifyFraction(numerator, denominator);

        std::cout  << ": " << numerator << " / " << denominator << "\n\n";
    }

    return 0;
}