1.Find the LCM of the following:(division method) (a) 21, 28, 36 ,45
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Answer:
1,260
Step-by-step explanation:
21=3×7
28=2×2×7
36=2×2×3×3
45=3×3×5
LCM of these numbers...
=3×3×7×4×5
=1,260
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