Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-1" was replaced by "^(-1)".

Step  1  :

 1.1     6 = 2•3

(6)^-1 = (2•3)^(-1) = (2)^(-1) • (3)^(-1)

Equation at the end of step  1  :

  ((2)(-1)•(3)(-1))2

Step  2  :

Final result :

     1              
  ——————— = 0.02778 
  (22•32)