Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "4.2" was replaced by "(42/10)". 2 more similar replacement(s)

Step  1  :

            21
 Simplify   ——
            5 

Equation at the end of step  1  :

   31   21
  ——— • ——
  100   5 

Step  2  :

             31
 Simplify   ———
            100

Equation at the end of step  2  :

   31   21
  ——— • ——
  100   5 

Step  3  :

Final result :

  651           
  ——— = 1.30200 
  500