Solution - Simplification or other simple results

Step  1  :

            5
 Simplify   —
            6

Equation at the end of step  1  :

  1   5
  — • —
  2   6

Step  2  :

            1
 Simplify   —
            2

Equation at the end of step  2  :

  1   5
  — • —
  2   6

Step  3  :

Final result :

   5           
  —— = 0.41667 
  12