Slope of tangent to a parametric path

The position of a particle moving in the Cartesian plane, at time $t$, is given by the parametric equations

$x(t) = \frac{6t}{t+1}$ and $y(t) = \frac{-8}{t^2+4}$, where $t \geq 0$.

What is the slope of the tangent to the path of the particle when $t = 2$?