Solution - Simplification or other simple results

Step  1  :

            11
 Simplify   ——
            6 

Equation at the end of step  1  :

  4   11
  — • ——
  5   6 

Step  2  :

            4
 Simplify   —
            5

Equation at the end of step  2  :

  4   11
  — • ——
  5   6 

Step  3  :

Final result :

  22           
  —— = 1.46667 
  15