#include <iostream>
#include <ratio>

int main() {
    std::cout << "2/3 == 3/4 ? " << std::boolalpha;
    std::cout << std::ratio_equal<std::ratio<2, 3>, std::ratio<3, 4>>::value << std::endl;
    
    std::cout << "2/3 == 4/6 ? " << std::boolalpha;
    std::cout << std::ratio_equal<std::ratio<2, 3>, std::ratio<4, 6>>::value << std::endl;
}