Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.0002784" was replaced by "(0002784/10000000)".

Step  1  :

              87  
 Simplify   ——————
            312500

Equation at the end of step  1  :

         87  
  0 -  ——————
       312500

Step  2  :

Final result :

    -87             
  —————— = -0.00028 
  312500