Number of adult dogs a kennel has = 8 dogs.
Number of puppies = 14 puppies.
Now, we need to write 8:14 in fraction form [tex]\frac{8}{14} .[/tex]
Greatest common factor of 8 and 14 is 2.
[tex]\frac{8}{14} = \frac{2\times 4}{2 \times 7}[/tex][tex]=\frac{4}{7}[/tex].