What number should be added to `(-7)/8` so as to get `5/9?`

Explanation

To find the number that should be added to \(-\frac{7}{8}\) to get \(\frac{5}{9}\), we can set up the equation:

\[ -\frac{7}{8} + x = \frac{5}{9} \]

### Step 1: Isolate \(x\)
To find \(x\), we need to isolate it on one side of the equation. We can do this by adding \(\frac{7}{8}\) to both sides:
...