Question

63,21 l. c. m
$6321lcm$
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Answer 1

$\huge\pink{Hello}$

$\large\blue{Solution:-}$

LCM of 63 and 21 :-

63 = 3×3×7

21 = 3×7

So,LCM = 3×3×7 = 63

$\large\red{Hope}$$\large\red{it}$$\large\red{helps}$

Answer 2

Hey mate !
63 is the LCM as it is the multiple of 21.
Hope it helps...
Regards !!!