#include "stdio.h" #include "string.h" #include "stdlib.h" #include "math.h" int main() { int h, m, s,s1, t, n, i,len,temp,j,k,k1,min,min2,make,a,b,c,d; scanf("%d/n",&t); while (t--) { scanf("%d%d%d%d",&a,&b,&c,&d); s=a*d+b*c; k=b*d; i=2;temp=1; s1=s; k1=k; while (s&&k&&i<=s&&i<=k) { while(s%i==0&&k%i==0) {temp*=i;s/=i;k/=i;} i++; } printf("%d %d/n",s1/temp,k1/temp); } return 0; }
