Solution - Simplification or other simple results

Step  1  :

             9
 Simplify   ——
            10

Equation at the end of step  1  :

  5    9
  — • ——
  4   10

Step  2  :

            5
 Simplify   —
            4

Equation at the end of step  2  :

  5    9
  — • ——
  4   10

Step  3  :

Final result :

  9           
  — = 1.12500 
  8