Answer:
The common multiples would be 1, 2, 12, 24, and 36.
Explanation:
1 goes both into 4 and 6.
2 goes into 4 and 6.
6x4=24/2=12, therefore 12 is a multiple of 6 and 4
21 is a common multiple because 6x4=4.
Hope I could help!
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