Solution - Simplification or other simple results

Step  1  :

            20
 Simplify   ——
            7 

Equation at the end of step  1  :

       20
  0 -  —— ÷ 12 ÷ 35
       7 

Step  2  :

         20      
 Divide  ——  by  12
         7       

Equation at the end of step  2  :

        5
  0 -  —— ÷ 35
       21

Step  3  :

          5      
 Divide  ——  by  35
         21      

Equation at the end of step  3  :

        1 
  0 -  ———
       147

Step  4  :

Final result :

   -1            
  ——— = -0.00680 
  147