Puzzles/Arithmetical puzzles/Hens and Eggs/Solution

Where k is some solvable constant:

$Hens*Days=k*Eggs$

$1\frac{1}{2}*1\frac{1}{2}=k*1\frac{1}{2}$

$k=1\frac{1}{2}$

$1*1=1\frac{1}{2}Eggs$

$Eggs=\frac{1}{1\frac{1}{2}}=\frac{1}{\frac{3}{2}}=\frac{2}{3}$