\(\dfrac{2}{3}+\dfrac{5}{2}-\dfrac{3}{4}\)
\(=\dfrac{8}{12}+\dfrac{30}{12}-\dfrac{9}{12}\)
\(=\dfrac{8+30-9}{12}\)
\(=\dfrac{29}{12}\)
\(\dfrac{2}{3}\) + \(\dfrac{5}{2}\) - \(\dfrac{3}{4}\) = \(\dfrac{19}{6}\) - \(\dfrac{3}{4}\) = \(\dfrac{29}{12}\)