6 6
 1 4
 4 4
 3 3
 6 4
 6 3
 5 4
 5 6
 3 4
 1 3
 3 2
 5 5
 1 1
 2 1
 3 1
 3 5
 1 6
 6 5
 2 3
 4 3
 2 2
 3 6
 1 2
 6 1
 2 5
 4 5
 1 5
 6 2
 4 6
 5 1
 4 1
 5 2
 2 4
 2 6
 5 3

1/6
 1/2
 1/2
 2/3
 1/6
 1/6
 1/3
 1/6
 1/2
 2/3
 2/3
 1/3
 1/1
 5/6
 2/3
 1/3
 1/6
 1/6
 2/3
 1/2
 5/6
 1/6
 5/6
 1/6
 1/3
 1/3
 1/3
 1/6
 1/6
 1/3
 1/2
 1/3
 1/2
 1/6
 1/3


import static java.lang.System.out;
import java.util.Scanner;

public class DieRoll_9A {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int a = scan.nextInt();
        int b = scan.nextInt();
        int y = gcd(a , b);
        int a1 = a / y;
        int b1 = b / y;
        if(a == b) {
            out.println("1/1");
        } else if(a < b) {
            out.println("0/1");
        } else {
            out.println(b1 + "/" + a1);
        }
    }
    public static int gcd(int p, int q) {
        if (q == 0) {
            return p;
        }
        return gcd(q, p % q);
    }
}
