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Addition and Subtraction of Algebraic Expression

Simplify : 2...

Question

Simplify :
$2 b / 5 - 7 b / 15 + 13 b / 3$

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Solution

$2 b / 5 - 7 b / 15 + 13 b / 3$
Here the LCM of $3, 5$ and $15$ is $15$
$= (6 b - 7 b + 65 b) / 15$
$= 64 b / 15$

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