Solution - Simplification or other simple results

Step  1  :

             6
 Simplify   ——
            25

Equation at the end of step  1  :

   39   13     6
  (—— • ——) • ——
   52   51    25

Step  2  :

            13
 Simplify   ——
            51

Equation at the end of step  2  :

   39   13     6
  (—— • ——) • ——
   52   51    25

Step  3  :

            3
 Simplify   —
            4

Equation at the end of step  3  :

   3   13     6
  (— • ——) • ——
   4   51    25

Step  4  :

Final result :

   39           
  ——— = 0.04588 
  850