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OpenStudy (anonymous):
-5/39 + 20/39
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OpenStudy (anonymous):
add
OpenStudy (anonymous):
(-5+20)/39 15/39 5/13
OpenStudy (anonymous):
They already have the same denominator, that means you can just add the numerators straight away!
OpenStudy (anonymous):
thank you but which one is the correct 15/39 or 5/13
OpenStudy (anonymous):
by adding
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OpenStudy (anonymous):
|dw:1323539604718:dw|
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