They are 24, 48, 72, and 96 .
No - common multiples of 4 & 12 up to 100 are... 12, 24, 36, 46, 60, 72, 84 & 96
96 is the only common multiple of 24 and 32 up to 100.
60 and 42 have no common multiples under 100.
Since the LCM is 12 then the common multiples are multiples of 12 12, 24, 36, 48
21,69
15,30,45,60,75,90
24,48,72,96
100 is the least common multiple of 20 and 25.
24 and 48.
24, 48, 72, 96.
Multiples of 9 up to 100 are 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99. Multiples of 10 up to 100 are 10, 20, 30, 40, 50, 60, 70, 80. 90, 100. The only common multiple up to 100 of 9 and 10 is 90.
Just 90.