suma fractii v2

#include <iostream>

using namespace std;

struct fractie {
    int numitor, numarator;
}f[3];

/*
f1 + f2 = f3, adica f[1] + f[2] = f[0]
In f[1] sunt memorate datele de la f1
In f[2] sunt memorate datele de la f2
In f[0] sunt memorate datele de la f3

f[1].numarator = f1.numarator
f[1].numitor = f1.numitor

f[2].numarator = f2.numarator
f[2].numitor = f2.numitor

f[0].numarator = f3.numarator
f[0].numitor = f3.numitor
*/

void citire(){
    for(int i = 1; i<3; i++){
        cout << "Fractia " << i << ":\n";
        cout << "\t numarator: "; cin >> f[i].numarator;
        cout << "\t numitor: "; cin >> f[i].numitor;
        while(f[i].numitor == 0) {
            cout << "\t numitor: "; cin >> f[i].numitor;
        }
    }
}

int cmmdc(int a, int b){
    int r = a % b;
    while(r) {
        a = b;
        b = r;
        r = a % b;
    }
    return b;
}

int main()
{
    citire();

    f[0].numarator = f[1].numarator * f[2].numitor + f[2].numarator * f[1].numitor;
    f[0].numitor = f[1].numitor * f[2].numitor;

    int x = cmmdc(f[0].numitor, f[0].numarator);
    f[0].numarator /= x;
    f[0].numitor /= x;

    cout << "Rezultat: " << f[0].numarator << "/" << f[0].numitor;

    return 0;
}