Solution - Simplification or other simple results

Step  1  :

             1
 Simplify   ——
            25

Equation at the end of step  1  :

   1
  —— ÷ 4 ÷ 10
  25

Step  2  :

          1      
 Divide  ——  by  4
         25      

Equation at the end of step  2  :

   1 
  ——— ÷ 10
  100

Step  3  :

          1       
 Divide  ———  by  10
         100      

Final result :

    1            
  ———— = 0.00100 
  1000