Ответ:
\(\frac{7}{48}=\frac{14}{96}\).
\(2\frac{7}{48}+11\frac{77}{96}=2\frac{14}{96}+11\frac{77}{96}=13\frac{91}{96}\).
Ответ: 13 91/96.
\(\frac{7}{48}=\frac{14}{96}\).
\(2\frac{7}{48}+11\frac{77}{96}=2\frac{14}{96}+11\frac{77}{96}=13\frac{91}{96}\).
Ответ: 13 91/96.