#include <stdio.h>

int gcd (int a, int b) {
	if (b==0) return a;
	return gcd(b, a%b);
}

int a[11000];
int main() {
	freopen("another.in", "r", stdin);
	int n, m;
	for (;;) {
		scanf("%d%d", &n, &m);
		if (n==0) break;
		int i,j;
		int sum=0;
		for (i=0; i<n; i++) {
			for (j=0; j<m; j++) scanf("%d", &a[i]);
			sum += a[i];
		}
		for (i=0; i<n; i++) {
			int g = gcd(a[i], sum);
			printf("%d / %d\n", a[i]/g, sum/g);
		}
	}
	return 0;
}