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in HCF and LCM by (47.6k points)
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Find the LCM:

i. 15, 30, 90 

ii. 105, 195 

iii. 63,81 

iv. 18, 36, 27

1 Answer

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Best answer

Find the LCM:

i. 15, 30, 90 

∴ LCM of 15,30 and 90 = 3 x 5 x 2 x 3 

= 90

ii. 105, 195 

∴ LCM of 105 and 195 = 5 x 3 x 7 x 13 

= 1365

iii. 63,81 

∴ LCM of 63 and 81 = 3 x 3 x 3 x 7 x 3 

= 567

iv. 18, 36, 27

∴ LCM of 18, 36 and 27 = 3 x 3 x 2 x 2 x 3 

= 108

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