Is `8/9` the multiplicative inverse of `-1``1/8`? Why or Why Not?

Explanation

To determine if \( \frac{8}{9} \) is the multiplicative inverse of \( -1 \frac{1}{8} \), we need to follow these steps:

### Step 1: Convert the mixed number to an improper fraction
The mixed number \( -1 \frac{1}{8} \) can be converted to an improper fraction.

\[ -1 \frac{1}{8} = -\left(1 \times 8 + 1\right) / 8 = -\frac{9}{8} \]
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