Solution - Simplification or other simple results

Step  1  :

             7
 Simplify   ——
            15

Equation at the end of step  1  :

  13     7
  —— -  ——
  15    15

Step  2  :

            13
 Simplify   ——
            15

Equation at the end of step  2  :

  13     7
  —— -  ——
  15    15

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:

 13 - (7)     2
 ————————  =  —
    15        5

Final result :

  2           
  — = 0.40000 
  5