Tolong jawab no. 2-5 dan 11-15

6. 2 3/6 + 2 2/9 = 15/6 + 20/9 =45/18 + 40/18 =85/18 =4 13/18 =B
7.2 2/3 × 3 3/4 =8/3 × 15/4 = 120/12 = 10=c
8.4 4/5 - 1 2/3 = 24/5 - 5/3 = 72/15 - 25/15 = 47/15 = 3 2/15 = b
9.5/8 : 4/5 = 5/8 × 5/4 =25/32 = c
semoga bermanfaat,maaf klok salah