Solution - Simplification or other simple results

Step  1  :

            13
 Simplify   ——
            64

Equation at the end of step  1  :

  27    13
  —— -  ——
  64    64

Step  2  :

            27
 Simplify   ——
            64

Equation at the end of step  2  :

  27    13
  —— -  ——
  64    64

Step  3  :

Adding fractions which have a common denominator :

 3.1       Adding fractions which have a common denominator
Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

 27 - (13)      7
 —————————  =  ——
    64         32

Final result :

   7           
  —— = 0.21875 
  32