46. \(\frac{19}{24}-\frac{2}{9}=\)

Общий знаменатель — 72: \(\frac{19}{24}=\frac{57}{72}\), \(\frac{2}{9}=\frac{16}{72}\).

\(\frac{57}{72}-\frac{16}{72}=\frac{41}{72}\).

Ответ: \(\frac{41}{72}\).