Выполните сложение: a) $$3\frac{1}{4}+2\frac{2}{9}$$ б) $$4\frac{3}{8}+5\frac{5}{8}$$ в) $$7\frac{1}{3}+2\frac{5}{6}$$

a) $$3\frac{1}{4}+2\frac{2}{9} = 3\frac{9}{36} + 2\frac{8}{36} = 5\frac{17}{36}$$

б) $$4\frac{3}{8}+5\frac{5}{8} = 9\frac{8}{8} = 10$$

в) $$7\frac{1}{3}+2\frac{5}{6} = 7\frac{2}{6} + 2\frac{5}{6} = 9\frac{7}{6} = 10\frac{1}{6}$$

Ответ:

• a) $$5\frac{17}{36}$$
• б) $$10$$
• в) $$10\frac{1}{6}$$