Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "r1"   was replaced by   "r^1". 

Step  1  :

            53
 Simplify   ——
            14

Equation at the end of step  1  :

   53
  (—— • r17) • c
   14

Step  2  :

Equation at the end of step  2  :

  53r17
  ————— • c
   14  

Step  3  :

Final result :

  53r17c
  ——————
    14