[tex]2 \frac{5}{6} \times 2 \frac{7}{8} + 2 \frac{7}{8} \times \frac{1}{3} - 2 \frac{1}{2} \times2 \frac{7}{8} = 2 \frac{7}{8} \times (2 \frac{5}{6} + \frac{1}{3} - 2 \frac{1}{2} ) = 2 \frac{7}{8} \times (2 \frac{5}{6} + \frac{2}{6} - 2 \frac{3}{6} ) = 2 \frac{7}{8} \times (2 \frac{7}{6} - 2 \frac{3}{6} ) = 2 \frac{7}{8} \times \frac{4}{6} = \frac{23 \times 2}{8 \times 3} = \frac{23}{4 \times 3} = \frac{23}{12} = 1 \frac{11}{12} [/tex]