Solution - Simplification or other simple results

Step  1  :

            3
 Simplify   —
            7

Equation at the end of step  1  :

  35   3
  —— • —
  70   7

Step  2  :

            1
 Simplify   —
            2

Equation at the end of step  2  :

  1   3
  — • —
  2   7

Step  3  :

Final result :

   3           
  —— = 0.21429 
  14