Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "40.5" was replaced by "(405/10)".

Step  1  :

            81
 Simplify   ——
            2 

Equation at the end of step  1  :

  81
  —— ÷ 18
  2 

Step  2  :

         81      
 Divide  ——  by  18
         2       

Final result :

  9           
  — = 2.25000 
  4