Ответ:
- а) \(\frac{5}{6}-\frac{11}{24}=\frac{20}{24}-\frac{11}{24}=\frac{9}{24}=\frac{3}{8}\).
- б) \(\frac{3}{4}+2\frac{7}{30}=\frac{3}{4}+\frac{67}{30}=\frac{45}{60}+\frac{134}{60}=\frac{179}{60}=2\frac{59}{60}\).
- в) \(3\frac{5}{28}-1\frac{2}{21}=\frac{89}{28}-\frac{23}{21}=\frac{267}{84}-\frac{92}{84}=\frac{175}{84}=2\frac{1}{12}\).
- г) \(8\frac{4}{7}\cdot4\frac{1}{5}=\frac{60}{7}\cdot\frac{21}{5}=36\).
- д) \(2\frac{2}{5}:1\frac{1}{15}=\frac{12}{5}:\frac{16}{15}=\frac{12}{5}\cdot\frac{15}{16}=\frac{9}{4}=2\frac{1}{4}\).
Ответ: а) \(\frac{3}{8}\); б) \(2\frac{59}{60}\); в) \(2\frac{1}{12}\); г) \(36\); д) \(2\frac{1}{4}\).
