Question

How do u solve lcm4 and 7

Answer 1

LCM stands for the least common multiples.

The multiples of 4 are given by:

`4,8,12,16,20,24,\textcolor{green}{28},32`

The multiples of 7 are given by:

`7,14,21,\textcolor{green}{28},35`

Notice that the number 28, colored green, is the smallest number that is a multiple of both 4 and 7.

Therefore, the lcm of 4 and 7 is 28.

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