What number should be added to `(-5)/8` so as to get `5/9\ ?`

Explanation

To find the number that should be added to \(-\frac{5}{8}\) to get \(\frac{5}{9}\), we can follow these steps:

### Step 1: Set up the equation
Let \(x\) be the number we need to find. We can set up the equation as follows:
\[ -\frac{5}{8} + x = \frac{5}{9} \]

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