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 java.util.Scanner;

public class TESTT {
	public static void main(String[] args) {
		
		Scanner input = new Scanner(System.in);

		int a = input.nextInt();
		int b = input.nextInt();

		if (b == 1 && a == 1) {
			System.out.println("1/1");
		}

		if (b % 2 == 0 && a % 2 == 0) {
			System.out.println(b / 2 + "/" + a / 2);
		}

		if (b % 3 == 0 && a % 3 == 0) {
			System.out.println(b / 3 + "/" + a / 3);
		}

		if (b % 4 == 0 && a % 4 == 0) {
			System.out.println(b / 4 + "/" + a / 4);
		}

		if (b % 5 == 0 && a % 5 == 0) {
			System.out.println(b / 5 + "/" + a / 5);
		}

		if (b % 6 == 0 && a % 6 == 0) {
			System.out.println(b / 6 + "/" + a / 6);
		}
	}
}