Question

The right answer is 13/378. Please solve with steps.

Answer 1

$\underbrace \color{aqua}❥αղsաҽɾ࿐$

$\frac{5}{9} + \frac{ - 13}{21} + \frac{ - 7}{27} + \frac{5}{14} \\ = > \frac{210 - 234 - 98 + 135}{378} \\ = > \frac{ - 24 + 37}{378} = \frac{13}{378}$

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