Solution - Simplification or other simple results

Step  1  :

            2
 Simplify   —
            5

Equation at the end of step  1  :

  5   2
  — • —
  4   5

Step  2  :

            5
 Simplify   —
            4

Equation at the end of step  2  :

  5   2
  — • —
  4   5

Step  3  :

Final result :

  1           
  — = 0.50000 
  2