PSLEFind the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- LCM of 4 and 7
- LCM of 6 and 14
- LCM of 12 and 18
- LCM of 2, 3 and 4
(a)
Multiples of 4: 4, 8, 12, 16, 20, 24, 28
Multiples of 7: 7, 14, 21, 28
LCM of 4 and 7 =
28 (b)
Multiples of 6: 6, 12, 18, 24, 30, 36, 42
Multiples of 14: 14, 28, 42
LCM of 6 and 14 =
42 (c)
Multiples of 12: 12, 24, 36
Multiples of 18: 18, 36
LCM of 12 and 18 =
36 (d)
Multiples of 2: 2, 4, 6, 8, 10, 12
Multiples of 3: 3, 6, 9, 12
Multiples of 4: 4, 8, 12
LCM of 2, 3 and 4 =
12 Answer(s): 28, 42, 36, 12