Solution - Simplification or other simple results

Step  1  :

             1
 Simplify   ——
            15

Equation at the end of step  1  :

   1
  —— ÷ 6
  15

Step  2  :

          1      
 Divide  ——  by  6
         15      

Final result :

   1           
  —— = 0.01111 
  90