Ответ:
а) \(5\frac{1}{8}+13\frac{3}{4}=\frac{41}{8}+\frac{55}{4}=\frac{41}{8}+\frac{110}{8}=\frac{151}{8}=18\frac{7}{8}\).
б) \(19\frac{5}{6}+10\frac{1}{3}=\frac{119}{6}+\frac{31}{3}=\frac{119}{6}+\frac{62}{6}=\frac{181}{6}=30\frac{1}{6}\).
Ответ: а) 18 7/8; б) 30 1/6.
