Question

14. Find the HCF and LCM of 15 and 18 and verify HCF X LCM = 15 x 18​

Answer 1

Answer:

If two numbers are 15 and 18, their product is 15x18 = 270 and so is the product of their HCF and LCM.

Let us see whether it is so.

The factors are

15 = 3x5

18 = 2x3x3

HCF = 3

LCM = 2x3x3x5 = 90

Now HCF * LCM = 3 *90 = 270.

Proved.

Step-by-step explanation:

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Answer 2

Answer:

HCF of 15,18 is 3

LCM of both is 90