How do you get the unit rate of 1/2 and 1.25

Well, first off, you'd want to convert the decimal one to a fraction, we'll do so by notice that, it has two decimals, therefore, it'd be a fraction with two zeros at the bottom, and no dot above, let's do that,



now, what the units are, doesn't matter, ducks/geese, caymans/eels, or whatever else, so the rate is just the quotient of both values,

What are the answer choices?