Solution - Simplification or other simple results

Step  1  :

             1
 Simplify   ——
            21

Equation at the end of step  1  :

   1
  —— ÷ 8
  21

Step  2  :

          1      
 Divide  ——  by  8
         21      

Final result :

   1            
  ——— = 0.00595 
  168