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Dezbooboo123
I'm pretty sure it's 7/13 because u do not change the denominators when u are adding they stay the same. And 2+5 is 7 the answer is c 7/13
iGreen
[tex]\sf\dfrac{2}{13}+\dfrac{5}{13}[/tex]

Add the numerators and keep the denominator:

[tex]\sf\dfrac{2+5}{13}\rightarrow\dfrac{7}{13}[/tex]