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 12
- LCM of 12 and 15
- LCM of 4, 6 and 8
(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
Multiples of 12: 12
LCM of 2 and 12 =
12 (c)
Multiples of 12: 12, 24, 36, 48, 60
Multiples of 15: 15, 30, 45, 60
LCM of 12 and 15 =
60 (d)
Multiples of 4: 4, 8, 12, 16, 20, 24
Multiples of 6: 6, 12, 18, 24
Multiples of 8: 8, 16, 24
LCM of 4, 6 and 8 =
24 Answer(s): 15, 12, 60, 24