PSLEFind the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- LCM of 3 and 4
- LCM of 2 and 18
- LCM of 12 and 20
- LCM of 2, 4 and 6
(a)
Multiples of 3: 3, 6, 9, 12
Multiples of 4: 4, 8, 12
LCM of 3 and 4 =
12 (b)
Multiples of 2: 2, 4, 6, 8, 10, 12, 14, 16, 18
Multiples of 18: 18
LCM of 2 and 18 =
18 (c)
Multiples of 12: 12, 24, 36, 48, 60
Multiples of 20: 20, 40, 60
LCM of 12 and 20 =
60 (d)
Multiples of 2: 2, 4, 6, 8, 10, 12
Multiples of 4: 4, 8, 12
Multiples of 6: 6, 12
LCM of 2, 4 and 6 =
12 Answer(s): 12, 18, 60, 12