tolong di bantu ya yang selesaikan soal soal berikut

1. 1/3 : 4/5 = 1/3 x 5/4 = 5/12
2. 2/7 : 3/4 = 2/7 × 4/3 = 8/21
3. 4/5 : 3/10 = 4/5 × 10/3 = 8/3
4. 6/7 : 4/5 = 6/7 × 5/4 = 15/14 = 1 1/14
5. 2/5 : 7/10 = 2/5 × 10/7 = 4/7
6. 4/13 : 12/13 = 4/13 × 13/12 = 1/3
7. 16/17 : 20/17 = 16/17 × 17/20 = 4/5
8. 2 16/19 : 9/19 = 54/19 × 19/9 = 6/1 = 6
9. 8/9 : 2 1/2 = 8/9 × 2/5 = 16/45
10. 1 2/3 : 2 1/2 = 5/3 × 2/5 = 2/3