If the expression
\(2\frac{1}{2}{\rm{of}}\frac{3}{4} \times \frac{1}{2} \div \frac{3}{2} + \frac{1}{2} \div \frac{3}{2}\left[ {\frac{2}{3} - \frac{1}{2}of\frac{2}{3}} \right]\)is simplified we get:
1
\(\frac{1}{2}\)
2
\(\frac{7}{8}\)
3
\(2\frac{3}{5}\)
4
\(1\frac{5}{8}\)