How do you simplify ln(e/6)?

$\ln \left(\frac{a}{b}\right) = \ln \left(a\right) - \ln \left(b\right)$
In this case, we have $\ln \left(\frac{e}{6}\right) = \ln \left(e\right) - \ln \left(6\right)$.
However, $\ln \left(e\right) = 1$, so we can simplify further:
$\ln \left(\frac{e}{6}\right) = 1 - \ln \left(6\right) = 1 - \ln \left(2\right) - \ln \left(3\right)$