Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            6

Equation at the end of step  1  :

    5    4    1
  (—— • ——) • —
   20   19    6

Step  2  :

             4
 Simplify   ——
            19

Equation at the end of step  2  :

    5    4    1
  (—— • ——) • —
   20   19    6

Step  3  :

            1
 Simplify   —
            4

Equation at the end of step  3  :

   1    4    1
  (— • ——) • —
   4   19    6

Step  4  :

Final result :

   1            
  ——— = 0.00877 
  114