tolong d jawab untuk besok !!!!plis

1. 8/9 × 10/14

= 4/9 × 10/7

= 40/63


2. 6/9 × 15/20

= 3/3 × 5/10

= 1 × 1/2

= 1/2


3. 15/25 × 12/19

= 3/5 × 12/19

= 36/95 


4. 7/21 × 5/9

= 1/3 × 5/9

= 5/27


5. 8/22 × 9/11

= 4/11 × 9/11

= 36/121



maaf kalo salah....semoga membantu:)))