[tex]2\frac{1}{3} + (-3\frac{5}{6}) + 5 \frac{17}{25} = 2\frac{1}{3} - 3\frac{5}{6} + 5 \frac{17}{25} = \frac{7}{3} - \frac{23}{6} + \frac{142}{25} = \frac{14}{6} - \frac{23}{6} + \frac{142}{25} = -\frac{9}{6}\\ \\+ \frac{142}{25} = -\frac{3}{2} + \frac{142}{25} = \frac{-75}{50} + \frac{284}{50} = \frac{209}{50} = 4\frac{9}{50}[/tex]
