Solution - Simplification or other simple results

Step  1  :

            4
 Simplify   —
            9

Equation at the end of step  1  :

  7    4
  — -  —
  9    9

Step  2  :

            7
 Simplify   —
            9

Equation at the end of step  2  :

  7    4
  — -  —
  9    9

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:

 7 - (4)     1
 ———————  =  —
    9        3

Final result :

  1           
  — = 0.33333 
  3