Solution - Simplification or other simple results

Step  1  :

             81
 Simplify   ———
            169

Equation at the end of step  1  :

  (81
 (———)1) ÷ 2
  169

Step  2  :

 2.1     81 = 34

(81)¹ = (3⁴)¹ = 3⁴  2.2     169 = 13² (169)¹ = (13²)¹ = 13²

Equation at the end of step  2  :

   34
  ——— ÷ 2
  132

Step  3  :

          34      
 Divide  ———  by  2
         132      

Final result :

   81           
  ——— = 0.23964 
  338