Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "4.5" was replaced by "(45/10)". 2 more similar replacement(s)

Step  1  :

            9
 Simplify   —
            2

Equation at the end of step  1  :

       135    9
  5 • (——— -  —)
       10     2

Step  2  :

            27
 Simplify   ——
            2 

Equation at the end of step  2  :

       27    9
  5 • (—— -  —)
       2     2

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:

 27 - (9)     9
 ————————  =  —
    2         1

Equation at the end of step  3  :

      9
  5 • —
      1

Step  4  :

Final result :

  45