3. Find first three common multiples of:
(a) 6 and 8 (6) 12 and 18
4. Write all the numbers less than 100 which are common multiples of 3 and 4.
(a) 6 and 8 (6) 12 and 18
4. Write all the numbers less than 100 which are common multiples of 3 and 4.
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3.
a)Multiple of 6 = 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 72,…
Multiple of 8 = 8, 16, 24, 32, 40, 48, 56, 64, 72,…
The first three common multiples of 6 and 8 are = 24, 48, 72
(b) 12 and 18
Multiple of 12 = 12, 24, 36, 48, 60, 72, 84, 96, 108, 120,…
Multiple of 18 = 18, 36, 54, 72, 90, 108,….
The first three common multiples of 12 and 18 are = 36, 72, 108
4.
8 numbers are less than 100 which are multiples of both 3 and 4.
Common multiples of 3 and 4 = 12, 24, 36, 48, 60, 72, 84, 96