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Addition and Subtraction of Integers

Solve: - 221...

Question

Solve:
$- \frac{2}{21} + \frac{3}{7}$

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Solution

$\frac{- 2}{21} + \frac{3}{7}$

$= \frac{- 2 + 9}{21}$

$= \frac{7}{21} = \frac{1}{3}$

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