Answer:
Step-by-step explanation:
when you divide fraction, turn the division into × and flip the other fraction
72/7÷8/7= 72/7×7/8=72/8 = 9
21÷7/3 = 21×3/7 =63/7=9
12/7÷2/7 = 12/7 × 7/2 = 12/2 = 6
9÷9/2=9×2/9=18/9= 2
4 2/3 ÷7/9 = 14/3 ×9/7=126/21 = 6
4 1/2 ÷1/2 = 9/2 × 2=18/2=9
