Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "4.5" was replaced by "(45/10)".

Step  1  :

            9
 Simplify   —
            2

Equation at the end of step  1  :

  9
  —
  2

Step  2  :

                9
 Divide  4  by  —
                2

Final result :

  8           
  — = 0.88889 
  9