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Mathematics 12 Online
OpenStudy (anonymous):

-5/39 + 20/39

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

OpenStudy (anonymous):

|dw:1323539604718:dw|

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