Configuring Maxima output as an improper fraction?

Robert Dodier wrote:
> On 1/29/09, Luke Scharf <luke.scharf at clusterbee.net> wrote:
>
>   
>> Is there a way to configure Maxima to output the result as an improper
>>  fraction?
>>
>>  For instance, if I enter 3/4+3/4, then it outputs 3/2.  Since I'm doing
>>  arithmetic for a woodworking project, it would be easier if it would
>>  output as 1+1/2.  Or 1+4/8 would be super-useful, too.  Is there a way
>>  to make Maxima to do that?
>>     
>
> Luke, I've attached some code which changes the way literal rational
> numbers are displayed. It doesn't change the way expressions are
> constructed, only the pretty-printing display. It doesn't change the
> 1-dimensional display, that could be done with the same approach.
>   

Very cool -- many thanks!

-Luke