№2. Выполните сложение: 1) \(\frac{1}{9} + \frac{4}{9}\) 2) \(\frac{1}{8} + \frac{3}{8}\) 3) \(\frac{2}{5} + \frac{1}{5}\) 4) \(\frac{4}{11} + \frac{2}{11}\) 5) \(\frac{3}{13} + \frac{5}{13}\) 6) \(\frac{2}{15} + \frac{7}{15}\) 7) \(\frac{7}{10} + \frac{1}{10}\)

№2. Выполните сложение:

1) \(\frac{1}{9} + \frac{4}{9} = \frac{1+4}{9} = \frac{5}{9}\)

Ответ: \(\frac{5}{9}\)

2) \(\frac{1}{8} + \frac{3}{8} = \frac{1+3}{8} = \frac{4}{8} = \frac{1}{2}\)

Ответ: \(\frac{1}{2}\)

3) \(\frac{2}{5} + \frac{1}{5} = \frac{2+1}{5} = \frac{3}{5}\)

Ответ: \(\frac{3}{5}\)

4) \(\frac{4}{11} + \frac{2}{11} = \frac{4+2}{11} = \frac{6}{11}\)

Ответ: \(\frac{6}{11}\)

5) \(\frac{3}{13} + \frac{5}{13} = \frac{3+5}{13} = \frac{8}{13}\)

Ответ: \(\frac{8}{13}\)

6) \(\frac{2}{15} + \frac{7}{15} = \frac{2+7}{15} = \frac{9}{15} = \frac{3}{5}\)

Ответ: \(\frac{3}{5}\)

7) \(\frac{7}{10} + \frac{1}{10} = \frac{7+1}{10} = \frac{8}{10} = \frac{4}{5}\)

Ответ: \(\frac{4}{5}\)