Question

From the numbers in the list, write down a number that is a multiple of 3 and 7

Answer 1

Answer:

Step 1: List a few multiples of 3 (3, 6, 9, 12, 15, 18, . . . ) and 7 (7, 14, 21, 28, 35, . . . . ) Step 2: The common multiples from the multiples of 3 and 7 are 21, 42, . . . Step 3: The smallest common multiple of 3 and 7 is 21.