Answer:
See at my explanation
Step-by-step explanation:
1.
Common multiples:
10 - 10, 20, 30, 40, 50
4 - 4, 8, 12, 16, 20
LCM: 20
2.
Common multiples:
9 - 9,18,27,36,45
4 - 4, 8, 12, 16, 20
LCM: 36
3.
Common multiples:
8 - 8, 16, 27, 32, 40
12 - 12, 24, 36, 48, 60
LCM: 72
4.
Common multiples:
9 - 9,18,27,36,45
12 - 12, 24, 36, 48, 60
LCM: 36
5.
Common multiples:
8 - 8, 16, 27, 32, 40
10 - 10, 20, 30, 40, 50
LCM: 40
I wish that I helped. Sorry if the multiples are not complete hehe. Thank you!
