If by "negative 38" you mean "-.38383838..." (correct notation would be to put a bar over the "38"), the fractional form of that is -38/99.
38/99
It is -38/99, which cannot be simplified.
It is -23/9.
-1 5/9
-5/9
It is -38/99
38/99
38/100 or reduced 19/50.
It is -38/99, which cannot be simplified.
If you convert repeating decimals into a fraction, you see that the repeating decimals are rational.
It is -23/9.
-1 5/9
A negative fraction need not be a terminating decimal. For example, -2/3 = -0.66... (repeating).
It is not possible to answer the question because it is ambiguous: the answer depends on what string is repeating. It is not clear from the question whether the fraction is meant to be 0.454545... or 0.455555... .
Because it can be expressed as a fraction in the form of 38/9
It is rational. It can be expressed as a fraction: -8⅓.
-5/9