kak pakai cara ya.........

Nomor 8
3 2/5-3/14
=17/5-3/14
=238/70-15/70
=223/70
=3 13/70

Nomor 9

8 3/10-4 6/8
=83/10-38/8
=332/40-190/40
=142/40
=3 22/40
=3 11/20

Nomor 10

11 4/10-7 3/15
=114/10-108/15
=342/30-216/30
=126/30
=4 6/30
=4 1/5

Maaf kalau ada yang salah