Which expression is the lcd of these fractions 4/x^2y 20/xy

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19-01-2018
Mathematics

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Which expression is the lcd of these fractions 4/x^2y 20/xy

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natashadanielle natashadanielle · Answer 1 · 2018-01-22T03:11:26+01:00

LCD of    4 and 20
   (x^2)y xy

Without any mathematical operations involved, ask yourself how many common variables are in the denominators. x^2 is the same as (x)(x)

so we have 4    and 20
(x)(x)(y)    (x)(y)

So what we have in common is one (x) and one (y).

The LCD is xy

emily003r emily003r · Answer 2 · 2018-07-04T01:33:29+02:00

emily003r emily003r

04-07-2018

The answer is x^2y. i just took this quiz and this is 100% the correct answer!

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