Solution - Simplification or other simple results

Step  1  :

            2
 Simplify   —
            3

Equation at the end of step  1  :

    9   2    2
  (—— • —) • —
   11   5    3

Step  2  :

            2
 Simplify   —
            5

Equation at the end of step  2  :

    9   2    2
  (—— • —) • —
   11   5    3

Step  3  :

             9
 Simplify   ——
            11

Equation at the end of step  3  :

    9   2    2
  (—— • —) • —
   11   5    3

Step  4  :

Final result :

  12           
  —— = 0.21818 
  55