If that helps, but I'm pretty sure the answer is -1 that is what I have found in Google that is what all the answers are that in finding.
2 x 2 x 2 x 3
Because you are multiplying two, four times
When you are dividing fractions you just flip the second fraction upside down and multiply the two fractions
So the first is
½ x 6/1 = 6/2 = 3
For the second you write them as improper fractions then do the same
So it is
3/2 / 1/8 = 3/2 x 8/1 = 24/2 = 12
So the answer to the first question is 3 and the second is 12
Out of that particular list, the only description
that applies to 2.5 is "rational".