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OpenStudy (bebe):
to add the fractions with different denominators ,you should rewrite them using a (n) what denominator ?
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OpenStudy (anonymous):
lowest common multiple ( LCM)
OpenStudy (anonymous):
eg add 1/4 and 1/2 LCM of 4 and 2 is 4 multiply top and bottom of 1/2 by 2 to give 2/4 add 1/4 + 2/4 = 3/4
OpenStudy (anonymous):
i made both denominators = 4
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