Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "2.1" was replaced by "(21/10)".

Step  1  :

            21
 Simplify   ——
            10

Equation at the end of step  1  :

  21
  —— ÷ 7
  10

Step  2  :

         21      
 Divide  ——  by  7
         10      

Final result :

   3           
  —— = 0.30000 
  10