Solution - Simplification or other simple results

Step  1  :

            6
 Simplify   —
            7

Equation at the end of step  1  :

  33   6
  —— • —
  44   7

Step  2  :

            3
 Simplify   —
            4

Equation at the end of step  2  :

  3   6
  — • —
  4   7

Step  3  :

Final result :

   9           
  —— = 0.64286 
  14