Combine and Simplify $\frac{2 a+3}{4 a^{2}+6 a+2}-\frac{2 a+1}{4 a^{2}+10 a+6}$

Combine and simplify: $\frac{2 a+3}{4 a^{2}+6 a+2}-\frac{2 a+1}{4 a^{2}+10 a+6}$