Solution - Simplification or other simple results

Step  1  :

            5
 Simplify   —
            8

Equation at the end of step  1  :

  5
  — ÷ 9 ÷ 7
  8

Step  2  :

         5      
 Divide  —  by  9
         8      

Equation at the end of step  2  :

   5
  —— ÷ 7
  72

Step  3  :

          5      
 Divide  ——  by  7
         72      

Final result :

   5            
  ——— = 0.00992 
  504