Ответ:
Выполни действие:
1) \( \frac{11}{18} + \frac{5}{9} = \frac{11}{18} + \frac{5 \cdot 2}{9 \cdot 2} = \frac{11}{18} + \frac{10}{18} = \frac{11+10}{18} = \frac{21}{18} = 1 \frac{3}{18} = 1 \frac{1}{6} \)
1) \( \frac{11}{18} + \frac{5}{9} = \frac{11}{18} + \frac{5 \cdot 2}{9 \cdot 2} = \frac{11}{18} + \frac{10}{18} = \frac{11+10}{18} = \frac{21}{18} = 1 \frac{3}{18} = 1 \frac{1}{6} \)