Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "8.7" was replaced by "(87/10)".

Step  1  :

            87
 Simplify   ——
            10

Equation at the end of step  1  :

       87
  0 -  ——
       10

Step  2  :

Final result :

  -87            
  ——— = -8.70000 
  10