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)". 2 more similar replacement(s)

Step  1  :

            9
 Simplify   —
            2

Equation at the end of step  1  :

  45   9
  —— • —
  10   2

Step  2  :

            9
 Simplify   —
            2

Equation at the end of step  2  :

  9   9
  — • —
  2   2

Step  3  :

Final result :

  81            
  —— = 20.25000 
  4