Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "5." was replaced by "(5/1)".

Step  1  :

            5
 Simplify   —
            1

Equation at the end of step  1  :

  4
  —
  5

Step  2  :

            4
 Simplify   —
            5

Final result :

  4           
  — = 0.80000 
  5