Solution - Simplification or other simple results

Step  1  :

            3
 Simplify   —
            4

Equation at the end of step  1  :

  3
  — ÷ 6 ÷ 7
  4

Step  2  :

         3      
 Divide  —  by  6
         4      

Equation at the end of step  2  :

  1
  — ÷ 7
  8

Step  3  :

         1      
 Divide  —  by  7
         8      

Final result :

   1           
  —— = 0.01786 
  56