Solution - Simplification or other simple results

Step  1  :

            2
 Simplify   —
            3

Equation at the end of step  1  :

   8         2
  —— • (0 -  —)
  15         3

Step  2  :

             8
 Simplify   ——
            15

Equation at the end of step  2  :

   8   -2
  —— • ——
  15   3 

Step  3  :

Final result :

  -16            
  ——— = -0.35556 
  45