Solution - Simplification or other simple results

Step  1  :

             4
 Simplify   ——
            15

Equation at the end of step  1  :

  6    4
  — • ——
  5   15

Step  2  :

            6
 Simplify   —
            5

Equation at the end of step  2  :

  6    4
  — • ——
  5   15

Step  3  :

Final result :

   8           
  —— = 0.32000 
  25