Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            3

Equation at the end of step  1  :

  10   1
  —— • —
  8    3

Step  2  :

            5
 Simplify   —
            4

Equation at the end of step  2  :

  5   1
  — • —
  4   3

Step  3  :

Final result :

   5           
  —— = 0.41667 
  12