Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            4

Equation at the end of step  1  :

        10         1
  ((2 • ——) • 3) • —
        12         4

Step  2  :

            5
 Simplify   —
            6

Equation at the end of step  2  :

        5         1
  ((2 • —) • 3) • —
        6         4

Step  3  :

Final result :

  5           
  — = 1.25000 
  4