2) 4/25 + 16/4 =

\(\frac{4}{25}+\frac{16}{4}=\frac{4}{25}+4=\frac{4}{25}+\frac{100}{25}=\frac{104}{25}=4\frac{4}{25}\)

Ответ: \(4\frac{4}{25}\)