Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.3" was replaced by "(3/10)". 2 more similar replacement(s)

Step  1  :

             3
 Simplify   ——
            10

Equation at the end of step  1  :

   7    3
  —— • ——
  10   10

Step  2  :

             7
 Simplify   ——
            10

Equation at the end of step  2  :

   7    3
  —— • ——
  10   10

Step  3  :

Final result :

   21           
  ——— = 0.21000 
  100