1.

Simplify-3/7 + 4/9 + (-6/11)simplify this​

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ANSWER:

Step-by-step EXPLANATION:

\frac{3}{7}  + \frac{4}{9}  - \frac{6}{11} \\= \frac{(3X9) + (4X7)}{63}  - \frac{6}{11}  \\= \frac{27 + 28}{63} - \frac{6}{11} \\= \frac{55}{63} - \frac{6}{11} \\=\frac{(55X11) - (6X63}{693}\\\\= \frac{605 - 378}{693}  \\= \frac{227}{693}



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