Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "31.5" was replaced by "(315/10)".

Step  1  :

            63
 Simplify   ——
            2 

Equation at the end of step  1  :

  63
  —— ÷ 45
  2 

Step  2  :

         63      
 Divide  ——  by  45
         2       

Final result :

   7           
  —— = 0.70000 
  10