20, 40
20 pinkgal333:20, 40, 60 are all common multiples.
The common multiples of 4 and 5 are 20, 40, 60, 80,100 and so onGet the least common multiple of the two. All other common multiples are multiples of this least common multiple.Any multiple of 20.
The first 5 multiples of 4 and 20 are 20, 40, 60, 80, 100
They are: 20, 40 and 60
20, 40, 60 and so on.
20, 40, 60 and so on.
20 and 40
20 and 40.
20 is the smallest common multiple of 4, 5, and 10, and thus the first. Thus, the first three common multiples of 4, 5, and 10 are 20, 40 and 60.
40 ... because 5 x 8 = 40 = 2 x 20 = 40
20, 40, 6020, 40, 60