Solution - Simplification or other simple results

Step  1  :

            1600
 Simplify   ————
            1519

Equation at the end of step  1  :

  18   1600
  —— • ————
  40   1519

Step  2  :

             9
 Simplify   ——
            20

Equation at the end of step  2  :

   9   1600
  —— • ————
  20   1519

Step  3  :

Final result :

   720           
  ———— = 0.47400 
  1519