Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "10.5" was replaced by "(105/10)".

Step  1  :

            21
 Simplify   ——
            2 

Equation at the end of step  1  :

  21
  —— ÷ 16
  2 

Step  2  :

         21      
 Divide  ——  by  16
         2       

Final result :

  21           
  —— = 0.65625 
  32