Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            2

Equation at the end of step  1  :

  1
  — ÷ 4 ÷ 5
  2

Step  2  :

         1      
 Divide  —  by  4
         2      

Equation at the end of step  2  :

  1
  — ÷ 5
  8

Step  3  :

         1      
 Divide  —  by  5
         8      

Final result :

   1           
  —— = 0.02500 
  40