What is the value of the expression $\frac{6 a+8}{2(a+b)}$ when $a=-6$ and $b=-1$ ?

Step 1 ：Given the expression \(\frac{6 a+8}{2(a+b)}\) with values \(a=-6\) and \(b=-1\).

Step 2 ：Substitute the given values of \(a\) and \(b\) into the expression.

Step 3 ：After simplifying, the value of the expression is 2.0.

Step 4 ：Therefore, the final answer is \(\boxed{2}\).