(12 целых 1/3 - 7 целых 3/4) * 6 одинадцатых

Question

(12 целых 1/3 - 7 целых 3/4) * 6 одинадцатых

Answer 1

(12 1/3 - 7 3/4) * 6/11 = 2 1/2,

1) 12 4/12 - 7 9/12 = 11 16/12 - 7 9/12 = 4 7/12,
2) 4 7/12 * 6/11 = 55/12 * 6/11 = 5/2 = 2 1/2