anonymous
  • anonymous
Find the LCD: 5/ 7ab^5 , 2/ 7a^3b^3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
Just divide the first denominator by the 2nd denominator. You can find what's missing that way.
amistre64
  • amistre64
If I remember correctly, and I seldom do, LCD is the Lowest Common Denominator. We need to make (7ab^5) and (7a^3b^3) look the same. As it turns out, they both have a (7) so we can use it. 7.... They both have an (a), but different amounts of (a)s. The biggest amount we need is three little (a)s; which is (a^3) 7a^3.... There is a (b) invovled. And the biggest amount of (b)s we need are 5 little (b)s; or (b^5) 7a^3b^5 This is the smallest useful number that the denominators have in common.
anonymous
  • anonymous
ty

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