какие из дробей 43/112, 9/28, 3/14, 3/8, 1/4 меньше дроби 19/56?

19/56 = 19*2/56*2 = 38/11243/112 =43/1129/28 = 9*4/28*4 = 36/1123/14 = 3*8/14*8 = 24/1123/8 = 3*14/8*14 = 42/1121/4 = 1*28/4*28 = 28/112Ответ: 9/28, 3/14, 1/4.