Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            2

Equation at the end of step  1  :

   6    1
  —— -  —
  12    2

Step  2  :

            1
 Simplify   —
            2

Equation at the end of step  2  :

  1    1
  — -  —
  2    2

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:

 1 - (1)     0
 ———————  =  —
    2        2

Final result :

  0