Solution - Simplification or other simple results

Step  1  :

            3
 Simplify   —
            4

Equation at the end of step  1  :

  18   3
  —— • —
  7    4

Step  2  :

            18
 Simplify   ——
            7 

Equation at the end of step  2  :

  18   3
  —— • —
  7    4

Step  3  :

Final result :

  27           
  —— = 1.92857 
  14