[tex]\frac{2}{7}[/tex] [tex]\frac{2}{7} + \frac{5}{7} + 1\frac{1}{4} = \frac{8}{28} + \frac{20}{28} + 1 \frac{7}{28} = 1 \frac{35}{28} = 2 \frac{7}{28} = 2\frac{1}{4}[/tex]