Math..LCM
posted by Bonnie .
find LCM 35b^6a^4,5b^8a^5,21b^2a^8
Can anyone help me with this please?

35b^6a^4 = 5*7*bbbbbbaaaa
5b^8a^5 = 5*bbbbbbbbaaaaa
21b^2a^8 = 3*7*bbaaaaaaaa
now we need a number which contains all of those
I see 3*5*7*aaaaaaaabbbbbbbb
= 105a^8b^8
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