To multiply \(45 \times -9\):
\[ 45 \times -9 = -405 \]
Now, if you want to express \(-405\) as a fraction, it can be written as:
\[ -\frac{405}{1} \]
None of the answers provided match this result directly. However, the term "negative 4 over 45" you mentioned seems unrelated to the calculation we're performing, and the other options don't pertain directly to the multiplication either.
If you are looking for a simplified fraction related to the multiplication's result (-405), that would not directly lead to any of the multiple-choice answers you provided.
If you meant something different by “into a fraction," please clarify, and I'd be happy to assist!