Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "13.9" was replaced by "(139/10)".

Step  1  :

            139
 Simplify   ———
            10 

Equation at the end of step  1  :

       139
  0 -  ———
       10 

Step  2  :

Final result :

  -139             
  ———— = -13.90000 
   10