Помогите пожалуйста!! Срочно надо
А) = 7/14 + 10/14 = 17/14 = 1 3/14 б) = 24/30 + 5/30 = 29/30 в) = 3/6 - 2/6 = 1/6 г) = 4/12 - 3/12 = 1/12 д) = 10/15 - 3/15 = 7/15 е) = 15/21 - 14/21 = 1/21