Question

Find the LCM of the numbers by finding their HCF:
(a) 64 and 80 (b) 110 and 88 (c) 420​

Answer 1

Answer:

a) LCM of 64 and 80 can be factorized by 2.

b) LCM of 110 and 88 can be found by 5.

c) LCM of 420 can be factorized by 2.

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Answer 2

1)

lcm of 64 and 80

lcm=40

hcf =16

2)

lcm of 110 and 88

lcm=220

hcf=22

3)

420

lcm=210