9/13 + 7/13 =

Since the fractions have a common denominator, we can add the numerators directly:

\( \frac{9}{13} + \frac{7}{13} = \frac{9 + 7}{13} = \frac{16}{13} \)

Convert the improper fraction to a mixed number:

\( \frac{16}{13} = 1 \frac{3}{13} \)

Ответ: 1 3/13