Выполните действие а)8 4/15 - 6 8/15+7 14/15 б)9 1/24 +8 23/24 - 7 11/24 в)11 4/29 - (7 7/29 + 3 4/29)

a)8 4/15 - 6 8/15+7 14/15=9 2/3
8 4/15 +7 14/15=15 18/15
15 18/15-6 8/15=9 10/15=9 2/3

б)9 1/24 +8 23/24 - 7 11/24=10 13/24
б)9 1/24 +8 23/24=18
18 - 7 11/24=10 13/24


в)11 4/29 - (7 7/29 + 3 4/29)=
(7 7/29 + 3 4/29)=10 11/29
11 4/29-10 11/29=22/29