Solution - Simplification or other simple results

Step  1  :

            10
 Simplify   ——
            7 

Equation at the end of step  1  :

  4   10
  — • ——
  5   7 

Step  2  :

            4
 Simplify   —
            5

Equation at the end of step  2  :

  4   10
  — • ——
  5   7 

Step  3  :

Final result :

  8           
  — = 1.14286 
  7