Solution - Simplification or other simple results

Step  1  :

             7
 Simplify   ——
            12

Equation at the end of step  1  :

   7
  —— ÷ 5 ÷ 9
  12

Step  2  :

          7      
 Divide  ——  by  5
         12      

Equation at the end of step  2  :

   7
  —— ÷ 9
  60

Step  3  :

          7      
 Divide  ——  by  9
         60      

Final result :

   7            
  ——— = 0.01296 
  540