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[tex] \frac{2}{5} \times \frac{3}{4} + \frac{8}{9} \div \frac{10}{11} - \frac{2}{6} \\ \\ \\ \frac{2 \times 3}{5 \times 4} + \frac{8}{9} \times \frac{11}{10} - \frac{2}{6} \\ \\ \frac{6}{20} + \frac{8 \times 11}{9 \times 10} - \frac{2}{6} \\ \\ \frac{6}{20} + \frac{88}{90} - \frac{2}{6} \\ \\ \frac{6 \times 90 \times 6}{20 \times 90 \times 6} + \frac{88 \times 20 \times 6}{90 \times 20 \times 6} - \frac{2 \times 90 \times 20}{6 \times 90 \times 20} \\ \\ \frac{3240}{10800} + \frac{10560}{10800} - \frac{3600}{10800} \\ \\ \frac{10200 \div 100}{10800 \div 100} \\ \\ \frac{102 \div 6}{108 \div 6} \\ \\ \frac{17}{18} [/tex]