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Mathematics 16 Online
OpenStudy (anonymous):

How do you find a like denominator.?

OpenStudy (amistre64):

first you look to see if there are any for sale on ebay

OpenStudy (amistre64):

then you can try looking in yard sales and on craigslist

OpenStudy (anonymous):

do you mean how to find a denominator that you like ?

OpenStudy (anonymous):

a denominator in a fraction. :)

OpenStudy (amistre64):

:) usually the easiest is to multiply the denoms together

OpenStudy (amistre64):

otherwise you try to find a least common multiple of greatest common something or another

OpenStudy (anonymous):

oh,i see. then how do you find a least common multiple?

OpenStudy (amistre64):

\[\frac{a}{b}+\frac{m}{n}\] \[\frac{a}{b}*\frac{n}{n}+\frac{m}{n}*\frac{b}{b}\] \[\frac{an + mb}{bn}\]

OpenStudy (amistre64):

i start with the larger number and start going thru its multiplication table to see what the other one fits into

OpenStudy (amistre64):

sometimes the lcm is simply the product of the two

OpenStudy (anonymous):

ok thank you very much

OpenStudy (amistre64):

youre welcome

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