Solution - Simplification or other simple results

Step  1  :

             1
 Simplify   ——
            15

Equation at the end of step  1  :

   4     1
  —— -  ——
  15    15

Step  2  :

             4
 Simplify   ——
            15

Equation at the end of step  2  :

   4     1
  —— -  ——
  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:

 4 - (1)     1
 ———————  =  —
   15        5

Final result :

  1           
  — = 0.20000 
  5