Solution - Simplification or other simple results

Step  1  :

            4
 Simplify   —
            5

Equation at the end of step  1  :

  1   4
  — • —
  2   5

Step  2  :

            1
 Simplify   —
            2

Equation at the end of step  2  :

  1   4
  — • —
  2   5

Step  3  :

Final result :

  2           
  — = 0.40000 
  5