54. 7 8/15 - 12 17/30

Question

54. 7 8/15 - 12 17/30 = 113/15 - 377/30 = (113 * 2 - 377) / 30 = (226 - 377) / 30 = -151/30 = -5 1/30

Ответ: -5 1/30

Accepted Answer

54. 7 8/15 - 12 17/30 = 113/15 - 377/30 = (113 * 2 - 377) / 30 = (226 - 377) / 30 = -151/30 = -5 1/30

Ответ: -5 1/30