Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "1.8" was replaced by "(18/10)". 2 more similar replacement(s)

Step  1  :

            9
 Simplify   —
            5

Equation at the end of step  1  :

  36   9
  —— • —
  10   5

Step  2  :

            18
 Simplify   ——
            5 

Equation at the end of step  2  :

  18   9
  —— • —
  5    5

Step  3  :

Final result :

  162           
  ——— = 6.48000 
  25