a) (11/12 + 7/12) = 18/12 = 1 6/12 = 1 1/2б) (11|24 + 2/3) = (11 + 16) / 24 = 27/24 = 1 3/24 = 1 1/8в) (3/4 + 4/5) = (15/20 + 16/20) = 31/20 = 1 11/20
a) (11/12 + 7/12) = 18/12 = 1 6/12 = 1 1/2
б) (11|24 + 2/3) = (11 + 16) / 24 = 27/24 = 1 3/24 = 1 1/8
в) (3/4 + 4/5) = (15/20 + 16/20) = 31/20 = 1 11/20