10) 2 \(\frac{1}{6}\) + 1 \(\frac{1}{4}\)

Решение:

\( 2 \frac{1}{6} + 1 \frac{1}{4} = \frac{13}{6} + \frac{5}{4} = \frac{13 \cdot 2}{6 \cdot 2} + \frac{5 \cdot 3}{4 \cdot 3} = \frac{26}{12} + \frac{15}{12} = \frac{41}{12} = 3 \frac{5}{12} \)

Ответ: \(3 \frac{5}{12}\)