Solution - Simplification or other simple results

Step  1  :

             1 
 Simplify   ———
            109

Equation at the end of step  1  :

   1 
  ——— ÷ 20
  109

Step  2  :

          1       
 Divide  ———  by  20
         109      

Final result :

    1            
  ———— = 0.00046 
  2180