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

19/56 = 19*2/56*2 = 38/112
43/112 =43/112
9/28 = 9*4/28*4 = 36/112
3/14 = 3*8/14*8 = 24/112
3/8 = 3*14/8*14 = 42/112
1/4 = 1*28/4*28 = 28/112
ответ: 9/28, 3/14, 1/4.