#include <stdio.h>
#include <iostream>
using namespace std;

void oneProblem(){
	int nums,a;
	scanf("%d",&nums);	
	int *arr=new int[nums];
	int *res=new int[nums];
	int *tah=new int[nums];
  for(int i=0;i<nums;++i){
		scanf("%d",&a);
		arr[i]=a;
		scanf("%d",&a);
		res[i]=a;
		tah[i]=0;
		cout<<res[i]<<"/"<<arr[i]<<endl;
	}
	int b=0;
	while(false){
		++b;

	}	
	delete[]tah;
	delete[]res;
	delete[]arr;
}

int maion(void){
	int DW;
	scanf("%d",&DW);
	for(int AmyPond=0;AmyPond<DW;++AmyPond)
		oneProblem();	

	return 0;
}