23 67/72
Пошаговое объяснение:
1) 4 11/48 * 6 = 203/48 * 6 = 203/8 = 25 3/8
2) 25 3/8 - 1 4/9 = 25 27/72 - 1 32/72 = 24 99/72 - 1 32/72 = 23 67/72
