PSLEFind the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- LCM of 4 and 9
- LCM of 9 and 12
- LCM of 12 and 15
- LCM of 2, 4 and 6
(a)
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36
Multiples of 9: 9, 18, 27, 36
LCM of 4 and 9 =
36 (b)
Multiples of 9: 9, 18, 27, 36
Multiples of 12: 12, 24, 36
LCM of 9 and 12 =
36 (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 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): 36, 36, 60, 12