Solution - Simplification or other simple results

Step  1  :

            10
 Simplify   ——
            9 

Equation at the end of step  1  :

  2   10
  — • ——
  5   9 

Step  2  :

            2
 Simplify   —
            5

Equation at the end of step  2  :

  2   10
  — • ——
  5   9 

Step  3  :

Final result :

  4           
  — = 0.44444 
  9