Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            8

Equation at the end of step  1  :

  8         1
  — • (0 -  —)
  9         8

Step  2  :

            8
 Simplify   —
            9

Equation at the end of step  2  :

  8   -1
  — • ——
  9   8 

Step  3  :

Final result :

  -1            
  —— = -0.11111 
  9