tolong bantu saya dengan caranya nomor 1 s.d 10

1. 3/9+2/6= 6/18+6/18=12/18=2/3
2. 1/8+5/8=6/8=3/4
3. 3/4-1/4=2/4=1/2
4.1/9-1/5=5/45-9/45= -4/45
5.7/8+8/18+1/9=63/72+32/72+8/72=103/72
6. 12/14-7/14-1/7=12/14-7/14-2/14=3/14
7.5/6-1/2+5/12=10/12-6/12+5/12=9/12=3/4
8. 3/4+1/6-4/12=9/12+2/12-4/12=7/12
9.3/8-1/2+2/3=9/24-12/24+16/24= -19/24
10. 3/5-1/2+4/10=6/10-5/10+4/10=5/10=1/2

semoga membantu, maaf kalau salah :)

semoga membantu......