tolong jawab no 8 dan 9

nomor 8.
4(2/3) + 1(1/2) - 3(3/4)=
4(8/12)+1(6/12)-3(9/12)=
5(14/12) -3(9/12)=2(5/12)
nomor 9.
(5/10)+(4/5)-(8/15)=
(15/30)+(24/30)-(16/30)=
(39/30) -(16/30)=(23/30)

nomer 8
kalo salah maaf y