Ответ:
НОК(15, 12) = 60. \(\frac{8}{15}+\frac{5}{12}=\frac{32}{60}+\frac{25}{60}=\frac{57}{60}=\frac{19}{20}\).
Ответ: \(\frac{19}{20}\).
НОК(15, 12) = 60. \(\frac{8}{15}+\frac{5}{12}=\frac{32}{60}+\frac{25}{60}=\frac{57}{60}=\frac{19}{20}\).
Ответ: \(\frac{19}{20}\).