Simplify Each of the Following $\left(\frac{1}{2}\right)^{2}-\left(\frac{3}{4}-\frac{2}{3}\right)$

Short Answer

Simplify each of the following. Use the order of operations as needed.
- $\left(\frac{1}{2}\right)^{2}-\left(\frac{3}{4}-\frac{2}{3}\right)$