Solution - Simplification or other simple results

Step  1  :

            1
 Simplify   —
            4

Equation at the end of step  1  :

  1
 (—)3
  4

Step  2  :

 2.1     4 = 2² (4)³ = (2²)³ = 2⁶

Final result :

   1           
  —— = 0.01563 
  26