The LCM of 5 and 9 is 45
9, 18, 27, 36, 45, 54 and just keep adding nine till you get to infinity.
Common multiples of 9 and 10 are all of the multiples of 90.
378, 756, 1134, 1512
Each common multiple of 9 and 10 occurs exactly once (in the list of common multiples), so there is no common multiple that occurs the most. All common multiples of 9 and 10 are the multiples of their least common multiple which is 90.
The Least Common Multiple is the multiple that is common to all four of the numbers. The LCM of 4, 10, 2, and 9 is 180.
90 and all of its multiples.
90 that is all
Just 90.
The least common denominator for 9 and 10 is 90.
90 is the least common multiple of 9 and 10
9 and 10 share no common factors aside from 1.