It is 5/1.
http://wiki.answers.com/Q/What_fraction_is_5_to_1

Mathulon, our resident mathmagician says 1.5 as a fraction is 3/2. Source:
http://www.chacha.com/question/whatis1.5asafr...

The first number of the ratio in this type of mortgage represents the fixed term and the second represents the adjusting point. A 5/1 mortgage allows a lender to raise or lower the
http://www.ehow.com/facts_5895894_5_1mortgage_.ht...

Expressed as a mixed number in its simplest form, 5.66 is equal to 5 33/50, or five and thirtythree fiftieths.
http://wiki.answers.com/Q/What_is_5.66_as_a_fracti...
