Solution - Simplification or other simple results

Step  1  :

            5
 Simplify   —
            8

Equation at the end of step  1  :

  5   5
  — • —
  8   8

Step  2  :

            5
 Simplify   —
            8

Equation at the end of step  2  :

  5   5
  — • —
  8   8

Step  3  :

Final result :

  25           
  —— = 0.39062 
  64