Задание 3. Сложение смешанных чисел.

**Задание 3. Сложение смешанных чисел** 1) $7 \frac{2}{9} + 2 \frac{3}{9} = 9 \frac{5}{9}$ 2) $2 \frac{1}{5} + 4 \frac{2}{5} = 6 \frac{3}{5}$ 3) $3 \frac{7}{11} + 3 \frac{1}{11} = 6 \frac{8}{11}$ 4) $8 \frac{5}{9} + 3 \frac{2}{9} = 11 \frac{7}{9}$ 5) $3 \frac{3}{13} + 5 \frac{2}{13} = 8 \frac{5}{13}$ 6) $12 \frac{11}{23} + 7 \frac{8}{23} = 19 \frac{19}{23}$ **Задание 4. Вычитание смешанных чисел** 1) $5 \frac{7}{9} - 3 = 2 \frac{7}{9}$ 2) $4 \frac{5}{7} - 3 \frac{3}{7} = 1 \frac{2}{7}$ 3) $4 - \frac{4}{7} = 3 \frac{7}{7} - \frac{4}{7} = 3 \frac{3}{7}$ 4) $3 \frac{1}{7} - \frac{4}{7} = 2 \frac{8}{7} - \frac{4}{7} = 2 \frac{4}{7}$ 5) $14 \frac{6}{13} - \frac{12}{13} = 13 \frac{19}{13} - \frac{12}{13} = 13 \frac{7}{13}$ 6) $7 \frac{8}{11} - 2 = 5 \frac{8}{11}$ 7) $11 \frac{6}{13} - 9 \frac{4}{13} = 2 \frac{2}{13}$ 8) $6 - \frac{6}{10} = 5 \frac{10}{10} - \frac{6}{10} = 5 \frac{4}{10} = 5 \frac{2}{5}$ 9) $6 \frac{1}{5} - \frac{4}{5} = 5 \frac{6}{5} - \frac{4}{5} = 5 \frac{2}{5}$ 10) $2 \frac{2}{9} - \frac{5}{9} = 1 \frac{11}{9} - \frac{5}{9} = 1 \frac{6}{9} = 1 \frac{2}{3}$ **Задание 5. Найдите значение выражения** 1) $3 \frac{6}{7} - 1 \frac{2}{7} + 2 \frac{3}{7} = 2 \frac{4}{7} + 2 \frac{3}{7} = 4 \frac{7}{7} = 5$ 2) $1 \frac{4}{19} + 5 \frac{11}{19} - 4 \frac{12}{19} = 6 \frac{15}{19} - 4 \frac{12}{19} = 2 \frac{3}{19}$ 3) $4 \frac{8}{11} - 2 \frac{5}{11} - 1 \frac{1}{11} = 2 \frac{3}{11} - 1 \frac{1}{11} = 1 \frac{2}{11}$ 4) $2 \frac{6}{7} + 5 \frac{5}{7} - 4 \frac{4}{7} = 7 \frac{11}{7} - 4 \frac{4}{7} = 3 \frac{7}{7} = 4$ 5) $8 \frac{1}{9} + 3 \frac{8}{9} - 9 \frac{4}{9} = 11 \frac{9}{9} - 9 \frac{4}{9} = 12 - 9 \frac{4}{9} = 2 \frac{5}{9}$ 6) $1 \frac{14}{17} + 1 \frac{12}{17} - 1 \frac{10}{17} = 2 \frac{26}{17} - 1 \frac{10}{17} = 1 \frac{16}{17}$