Determine an equivalent form of a singed fraction

there are a countable infinity of fractions = 4
eg 4 = 4/1 = 8/2 = 16/4 = 32/8 = 36/9 and so on ...
similarly for any other integer, including
9 = 9/1 = 18/2 = 27/3 = 36/4 and so on

kem, you are a genius.