Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "28.1" was replaced by "(281/10)". 2 more similar replacement(s)

Step  1  :

            281
 Simplify   ———
            10 

Equation at the end of step  1  :

  689    281
  ——— -  ———
  10     10 

Step  2  :

            689
 Simplify   ———
            10 

Equation at the end of step  2  :

  689    281
  ——— -  ———
  10     10 

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:

 689 - (281)     204
 ———————————  =  ———
     10           5 

Final result :

  204            
  ——— = 40.80000 
   5