Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "7.5" was replaced by "(75/10)". 2 more similar replacement(s)

Step  1  :

            15
 Simplify   ——
            2 

Equation at the end of step  1  :

  75   15
  —— • ——
  10   2 

Step  2  :

            15
 Simplify   ——
            2 

Equation at the end of step  2  :

  15   15
  —— • ——
  2    2 

Step  3  :

Final result :

  225            
  ——— = 56.25000 
   4