Solution - Simplification or other simple results

Step  1  :

            5
 Simplify   —
            1

Equation at the end of step  1  :

   36           
  (—— +  48) -  5
   9            

Step  2  :

            4
 Simplify   —
            1

Equation at the end of step  2  :

  (4 +  48) -  5

Step  3  :

Final result :

  47