03-11-2015
Mathematics

contestada

what is 2/5 + 3/7 in the LCD way

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03-11-2015

[tex]\frac{2}{5} + \frac{3}{7} = \frac{2\times 7}{5\times 7} + \frac{3\times 5}{7\times 5}= \frac{14}{35} + \frac{15}{35}= \frac{14+15}{35} = \huge{\boxed{\frac{29}{35}}}[/tex]

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