Of course. A "rational number" is any number that can be represented
as the ratio of two integers.
-32 is the ratio of -32/1 .
-29.72 is the ratio of -743/25 .
-12.94 is the ratio of -647/50 .
etc.
In fact, we'd go out on a limb here and argue that the negative of any
rational number is also a rational number.
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It could be irrational or complex.
There is no such number. If any number laid claim to being the smallest rational number its claim could be challenged by half that number - which would also be rational and, obviously smaller. And the claim of that number could be challenged by half that number, and so on.
6 is a rational number. It can be written as 6/1
It is a rational number. The reason that it is rational is that you can represent it as a fraction, where the denominator (the number at the bottom of the fraction) is not equal to 0.So, for example, as we could write the number 15.125 as 15125/1000 then it is rational.
If you start with an empty bucket, and you take out of it any number of times,there must be a negative amount in it when you're done.