Помогите, дам 20 баллов
14 - 3 4/7 = 13 7/7 - 3 4/7 = 10 3/7
14 - 3 4/7 = 14 - 25/7 = 14/1 - 25/7 = 98/7 - 25/7 = 73/7 = 10 целых 3/7