\(\frac{1,3}{1+\frac{1}{12}}\)

\(1,3=\frac{13}{10}\), а \(1+\frac{1}{12}=\frac{13}{12}\).

\(\frac{13}{10}:\frac{13}{12}=\frac{6}{5}\).

Ответ: \(\frac{6}{5}\)