Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "0.8" was replaced by "(8/10)". 2 more similar replacement(s)

Step  1  :

            4
 Simplify   —
            5

Equation at the end of step  1  :

  125   4
  ——— • —
  100   5

Step  2  :

            5
 Simplify   —
            4

Equation at the end of step  2  :

  5   4
  — • —
  4   5

Step  3  :

Final result :

  1