Solution - Simplification or other simple results

Step  1  :

             7
 Simplify   ——
            10

Equation at the end of step  1  :

  8    7
  — • ——
  7   10

Step  2  :

            8
 Simplify   —
            7

Equation at the end of step  2  :

  8    7
  — • ——
  7   10

Step  3  :

Final result :

  4           
  — = 0.80000 
  5