1-5/13

The expression \(1 - \frac{5}{13}\) can be simplified by converting 1 into a fraction that has a denominator of 13.

1 can be written as \(\frac{13}{13}\).

Now, let's subtract:

\[ \frac{13}{13} - \frac{5}{13} = \frac{13 - 5}{13} = \frac{8}{13} \]

So, \(1 - \frac{5}{13} = \frac{8}{13}\).