Solution - Simplification or other simple results

Step  1  :

             7
 Simplify   ——
            12

Equation at the end of step  1  :

  12    7
  —— • ——
  30   12

Step  2  :

            2
 Simplify   —
            5

Equation at the end of step  2  :

  2    7
  — • ——
  5   12

Step  3  :

Final result :

   7           
  —— = 0.23333 
  30