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;

/**
 *
 * @author Mostafa Tarek
 */
public class Die_roll {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        Scanner sc = new Scanner(System.in);
        
        int w=0;
        int y=0;
        try{
            
            w=sc.nextInt(); //4
            y=sc.nextInt(); //2
            int max =Integer.max(w, y);
            int dividor=1;
            
           if(w%y==0){
               System.out.println( y/y +"/"+w/y);
           }
            else{
               for(int i=2 ;i<max ;i++){
                   if(y%i==0 &&w%i==0){
                      if(i>dividor){
                          dividor=i;
                      } 
                   }
                }
                System.out.println( y/dividor +"/"+w/dividor);
           }
            
            
        }catch(Exception e){
            e.toString();
        }     
    }
}