Solution - Simplification or other simple results

Step  1  :

            7
 Simplify   —
            4

Equation at the end of step  1  :

  10   7
  —— • —
  9    4

Step  2  :

            10
 Simplify   ——
            9 

Equation at the end of step  2  :

  10   7
  —— • —
  9    4

Step  3  :

Final result :

  35           
  —— = 1.94444 
  18