Tolong jawab kak!!! Soalnya ..................................

1. 9/10 : 3/5 = 9/10 x 5/3 = 45/30 = 3/2
2. 6/7 : 3/4 = 6/7 x 4/3 = 24/21 = 8/7
3. 2/3 : 6/8 = 2/3 x 8/6 = 16 / 18 = 8/9
4. 3/8 : 6/9 = 3/8 x 9/6 = 27 / 48 = 9/16
5. 4/9 : 12/15 = 4/9 x 15/12 = 60 / 108 = 5/9