From: Dave Burt <dave@...>
Date: 2005-05-12T22:24:40+09:00
Subject: Re: Standard Library patches - rational, delegate

"Luke Galea" <lgalea@gmmsolutions.com> commented:
>I know I definately needed those rational methods for a meal planner I'm 
> working on.. 
> 
> One more thing that might be useful for rational.rb: a to_s method for 
> Rational that produces results for 3/2 as '1 1/2'.. Not sure what that would 
> best be called but I think it's a good change to bundle in there..

Taking Brian's idea one step further:

def to_mixed_fraction
  self.divmod(1).join(' ')
end