Найдите значение разности:
ж) 10 3/23 - 7 19/46 =
з) 16 2/5 - 4 3/7 =
и) 19 5/12 - 8 17/18 =

10 3/23-7 19/46=10 6/46-7 19/46=9 52/46-7 19/46=2 33/46
16 2/5-4 3/7=16 14/35-4 15/35=15 49/35-4 15/35=11 34/35
19 5/12-8 17/18=19 15/36-8 34/36=18 51/36-8 34/36=10 17/36