tinygps conversation deg min sec

Hi

Anyone here who knows how to convert ddmm.mmmm to dd mm ss?
One of these 2 i can use

gps.get_position(&lat, &lon, &age); (float, ddmm.mmmm)
gps.f_get_position(&flat, &flon); (int in 100000ths degree)

any snippets would be recommended

br

no hints so far?

http://www.eaae-astronomy.org/eratosthenes/index.php?option=com_content&view=article&id=46&Itemid=70