Answer
$-\frac{3}{4}$
Work Step by Step
Simplify the terms
$\frac{5}{2}-\frac{13}{4}$
We need to make them share the same denominator. Multiply $\frac{5}{2}$ by $2/2$ to get $\frac{10}{4}$
Now we can subtract the two fractions to get $-\frac{3}{4}$