Solution - Simplification or other simple results

Step  1  :

            7
 Simplify   —
            9

Equation at the end of step  1  :

   5          4      7
  (— +  (0 -  —)) -  —
   9          9      9

Step  2  :

            4
 Simplify   —
            9

Equation at the end of step  2  :

   5          4      7
  (— +  (0 -  —)) -  —
   9          9      9

Step  3  :

            5
 Simplify   —
            9

Equation at the end of step  3  :

   5    -4     7
  (— +  ——) -  —
   9    9      9

Step  4  :

Adding fractions which have a common denominator :

 4.1       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:

 5 + -4     1
 ——————  =  —
   9        9

Equation at the end of step  4  :

  1    7
  — -  —
  9    9

Step  5  :

Adding fractions which have a common denominator :

 5.1       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 - (7)     -2
 ———————  =  ——
    9        3 

Final result :

  -2            
  —— = -0.66667 
  3