-1/5•5

To solve \(-\frac{1}{5} \cdot 5\), you can multiply the fraction by the whole number:

\[ -\frac{1}{5} \cdot 5 = -\frac{1 \cdot 5}{5} = -\frac{5}{5} = -1 \]

So, \(-\frac{1}{5} \cdot 5 = -1\).