Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "5.25" was replaced by "(525/100)". 2 more similar replacement(s)

Step  1  :

            21
 Simplify   ——
            4 

Equation at the end of step  1  :

  105   21
  ——— • ——
  10    4 

Step  2  :

            21
 Simplify   ——
            2 

Equation at the end of step  2  :

  21   21
  —— • ——
  2    4 

Step  3  :

Final result :

  441            
  ——— = 55.12500 
   8