PSLEFind the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- LCM of 7 and 8
- LCM of 3 and 14
- LCM of 12 and 16
- LCM of 4, 7 and 8
(a)
Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56
Multiples of 8: 8, 16, 24, 32, 40, 48, 56
LCM of 7 and 8 =
56 (b)
Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42
Multiples of 14: 14, 28, 42
LCM of 3 and 14 =
42 (c)
Multiples of 12: 12, 24, 36, 48
Multiples of 16: 16, 32, 48
LCM of 12 and 16 =
48 (d)
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56
Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56
Multiples of 8: 8, 16, 24, 32, 40, 48, 56
LCM of 4, 7 and 8 =
56 Answer(s): 56, 42, 48, 56