Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "m1"   was replaced by   "m^1". 

Step  1  :

            86
 Simplify   ——
            63

Equation at the end of step  1  :

   86
  (—— • m) • l
   63

Step  2  :

Equation at the end of step  2  :

  86m
  ——— • l
  63 

Step  3  :

Final result :

  86ml
  ————
   63