Firstly, since these two fractions have the same denominator, add the numerators up: [tex] \frac{-6}{4} [/tex]
While it appears that the answer is -6/4, you can further simplify it by dividing the numerator and denominator by 2: [tex] -\frac{6}{4}\div\frac{2}{2}=-\frac{3}{2} [/tex]
Your answer is [tex] -\frac{3}{2} [/tex]