Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            3

Equation at the end of step  1  :

  1
  — ÷ 5 ÷ 6
  3

Step  2  :

         1      
 Divide  —  by  5
         3      

Equation at the end of step  2  :

   1
  —— ÷ 6
  15

Step  3  :

          1      
 Divide  ——  by  6
         15      

Final result :

   1           
  —— = 0.01111 
  90