#include
using namespace std;
int main(){
int t,a,b,c,d,e,f,i,j,r;
char opt;
cin>>t;
while(t--){
cin>>opt>>a>>b>>c>>d;
switch(opt){
case'+':
f=a*d+b*c;
e=a*c;
i=f;j=e;
while(j){
r=i%j;
i=j;j=r;
}
cout<<f/i<<"/"<<e/i<<endl;
break;
case'-':
f=b*c-a*d;
e=a*c;
if(f<0){
f=-f;
i=f;j=e;
while(j){
r=i%j;
i=j;j=r;
}
cout<<"-"<<f/i<<"/"<<e/i<<endl;
}
else{
i=f;j=e;
while(j){
r=i%j;
i=j;j=r;
}
cout<<f/i<<"/"<<e/i<<endl;
}
break;
case '*':
f=b*d;
e=a*c;
i=f;j=e;
while(j){
r=i%j;
i=j;j=r;
}
cout<<f/i<<"/"<<e/i<<endl;
break;
default:
f=b*c;
e=a*d;
i=f;j=e;
while(j){
r=i%j;
i=j;j=r;
}
cout<<f/i<<"/"<<e/i<<endl;
break;
}
}
return 0;
}
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