Solution - Simplification or other simple results

Step  1  :

            5
 Simplify   —
            4

Equation at the end of step  1  :

  5   5
  — • —
  4   4

Step  2  :

            5
 Simplify   —
            4

Equation at the end of step  2  :

  5   5
  — • —
  4   4

Step  3  :

Final result :

  25           
  —— = 1.56250 
  16