1022
#include<iostream> #include<stdio.h> using namespace std;
int main() {
char nada, op;
int a = 0;
int n;
int n1, n2, n3, n4;
cin >> n;
int res1=0, res2=0;
while(n-- > 0)
{
cin >> n1;
cin >> nada;
cin >> n2;
cin >> op;
cin >> n3;
cin >> nada;
cin >> n4;
if(op == '+')
{
res1 = n2*n4;
res2 = n4*n1 + n2*n3;
}
else if(op == '-')
{
res1 = n2*n4;
res2 = n1*n4 - n2*n3;
}
else if(op == '*')
{
res1 = n2*n4;
res2 = n3*n1;
}
else if(op == '/')
{
res1 = n2*n3;
res2 = n1*n4;
}
cout << res2 << "/" << res1;
if(res1 < res2)
{
for(int i = 1; i <= res1; i++)
{
if(res1 % i == 0 && res2 % i == 0){
a = i;
}
}
}
else
{
for(int i = 1; i <= res2; i++)
{
// cout << "i: " << i << endl;
if(res1 % i == 0 && res2 % i == 0)
a = i;
}
//cout << "\nA: " << a << endl;
}
// cout << "A: " << a << endl;
cout << " = " << res2/a << "/" << res1/a << endl;
}
}