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OpenStudy (anonymous):
What would you do if you didn’t know what the values of the denominators were, such as when there are variables in the denominators? please help !
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OpenStudy (anonymous):
If you are adding or subtracting fractions with unlike denominators that have variables in them, you still need to establish a common denominator to perform the operation.
OpenStudy (anonymous):
For example. |dw:1414385308216:dw|
OpenStudy (anonymous):
Is this at all what you are asking?
OpenStudy (anonymous):
yeah that's all I need to know. So basically you just find the common denominator ?
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