Solution - Simplification or other simple results

Step  1  :

            60
 Simplify   ——
            1 

Equation at the end of step  1  :

   54
  ——— • 60
  360

Step  2  :

             3
 Simplify   ——
            20

Equation at the end of step  2  :

   3
  —— • 60
  20

Step  3  :

Final result :

  9