Solution - Simplification or other simple results

Step  1  :

             1
 Simplify   ——
            18

Equation at the end of step  1  :

   1
  —— ÷ 5
  18

Step  2  :

          1      
 Divide  ——  by  5
         18      

Final result :

   1           
  —— = 0.01111 
  90