Question

3/7+(-4/9)+(-11/7)+7/9​

Answer 1

hey mate!

$\frac{3}{7} + \frac{ - 4}{9} + \frac{ - 11}{7} + \frac{7}{9}$

$\frac{27 + ( - 28) + ( - 99) + 49}{63}$

$= \frac{27 - 28 - 99 + 49}{63}$

$= \frac{ - 51}{63}$

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