List all the common multiples of 3 and 10 that are smaller than 60. Give the answer(s) in ascending order. (Eg 1, 2, 3)
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57
Multiples of 10: 10, 20, 30, 40, 50
Common multiples: 30
Answer(s): 30