View Code of Problem 66

#define _CRT_SECURE_NO_DEPRECATE
#define _CRT_SECURE_NO_WARNINGS
#pragma warning(disable:4996)；
#include <stdio.h>
#include <string.h>
#include <math.h>
#define N 100000
//X[n+1]=1/2(X[n]+a/X[n])
int main()
{
	int a, b;
	while (scanf("%d%d", &a, &b) != EOF)
	{
		int i;
		for (i = a; i >= 2; i--)
		{
			if (a % i == 0 && b % i == 0)
			{
				a = a / i;
				b = b / i;
			}
		}
		printf("%d/%d\n", a, b);
	}
	return 0;
}