There's a fine line between a numerator and a denominator ... only a fraction of the population will get this joke!
 
 
Q. What's the difference between a hippo and a zippo?
 
A. One is really heavy and the other is a little lighter.
 
 
 
Q. When does a joke become a 'dad' joke?
 
A. When it becomes apparent!
 
 
 
You know that it gets so cold in Canberra in Winter, the other day when visiting there I saw a politician with his hands in his own pocket!
 
 
 
I visited my friend at his new house. He told me to make myself at home, so I threw him out. I hate having visitors!