Solution - Simplification or other simple results

Step  1  :

            2
 Simplify   —
            5

Equation at the end of step  1  :

  2   2
  — • —
  9   5

Step  2  :

            2
 Simplify   —
            9

Equation at the end of step  2  :

  2   2
  — • —
  9   5

Step  3  :

Final result :

   4           
  —— = 0.08889 
  45