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OpenStudy (anonymous):
Is subtracting fractions with different denominators the same thing as adding ?
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OpenStudy (anonymous):
It's the same process yes. You just subtract numerators instead of adding them after you convert to the LCD.
OpenStudy (anonymous):
Okay so you just gotta find the LCD to find your answer ?
OpenStudy (anonymous):
do u mean do you use similar methods to ca lculate them? - yes similar
OpenStudy (anonymous):
No
OpenStudy (anonymous):
You need to get the LCD the same way you got it by adding, then you subtract the numerators to get your answer. And then simplify if you can.
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