PSLEFind the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- LCM of 3 and 5
- LCM of 2 and 11
- LCM of 12 and 18
- LCM of 4, 6 and 9
(a)
Multiples of 3: 3, 6, 9, 12, 15
Multiples of 5: 5, 10, 15
LCM of 3 and 5 =
15 (b)
Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22
Multiples of 11: 11, 22
LCM of 2 and 11 =
22 (c)
Multiples of 12: 12, 24, 36
Multiples of 18: 18, 36
LCM of 12 and 18 =
36 (d)
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36
Multiples of 6: 6, 12, 18, 24, 30, 36
Multiples of 9: 9, 18, 27, 36
LCM of 4, 6 and 9 =
36 Answer(s): 15, 22, 36, 36