The only Least Common Multiple (LCM) for 120 90 is 360.
30, 60, 90, 120, 150, 180 . . .
The multiples of 20 are 20, 40, 60, 80, 100, 120... The multiples of 30 are 30, 60, 90, 120, 150... The multiples of 15 are 15, 30, 45, 60, 75, 90, 105, 120, 135... The common multiples of 20, 30, and 15 are 60, 120, 180, 240...
30, 60, 90, 120, 150.
90
90
Least Common Multiple (LCM) for 120 90 is 360.
Multiples of 10 and 15 include 30, 60, 90, 120, 150, etc. The least common multiple (LCM) of 10 and 15 is 30.
90 is the least common multiple of 9 and 10
90
30, 60, 90, 120, 150, ...
The Least Common Multiple (LCM) of (6,10,18) is 90
Multiples of 9 are 9 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 144, 153, 162, 171, 180... Multiples of 30 are 30, 60, 90, 120, 150, 180... Common multiples of 9 and 30 are 90, 180... The Least Common Multiple of 9 and 30 is 90.