Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            6

Equation at the end of step  1  :

  6         1
  — • (0 -  —)
  3         6

Step  2  :

            2
 Simplify   —
            1

Equation at the end of step  2  :

      -1
  2 • ——
      6 

Step  3  :

Final result :

  -1            
  —— = -0.33333 
  3