Why is 35 the lmc of 7 and 5?

Answer 1

35 is the LCM of the numbers 7 and 5 because 7 multiplied by 5 is 35 and 35 is the lowest number that both 7 and 5 will go into.

List the multiples.

5, 10, 15, 20, 25, 30, 35, 40

7, 14, 21, 28, 35, 42

35 is the smallest (least) number that appears on both lists.