PSLEFind the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- LCM of 4 and 8
- LCM of 4 and 14
- LCM of 12 and 20
- LCM of 2, 6 and 7
(a)
Multiples of 4: 4, 8
Multiples of 8: 8
LCM of 4 and 8 =
8 (b)
Multiples of 4: 4, 8, 12, 16, 20, 24, 28
Multiples of 14: 14, 28
LCM of 4 and 14 =
28 (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, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42
Multiples of 6: 6, 12, 18, 24, 30, 36, 42
Multiples of 7: 7, 14, 21, 28, 35, 42
LCM of 2, 6 and 7 =
42 Answer(s): 8, 28, 60, 42