HelpMMari8znicaf
HelpMMari8znicaf
15-08-2016
Mathematics
contestada
what is 3 1 / 7 plus 2 1 / 2
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dalendrk
dalendrk
16-08-2016
[tex]3\dfrac{1}{7}+2\dfrac{1}{2}=3\dfrac{1\cdot2}{7\cdot2}+2\dfrac{1\cdot7}{2\cdot7}=3\dfrac{2}{14}+2\dfrac{7}{14}=(3+2)+\dfrac{2+7}{14}=\boxed{5\frac{9}{14}}[/tex]
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MrMelendez
MrMelendez
13-10-2020
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