Question

Find the LCM of the following numbers using tips.
(i) 9 and 27
(ii) 21 and 45​

Answer 1

Answer:

Answer

HCF×LCM= product of two numbers

Let the other number be x

⇒27x=9×459

⇒x=153

Answer 2

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• LCM of 9 and 27 is 27.
• The LCM of 21 and 45 is 315.
• (Refer to the attachment for step by step instructions!)

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