Question

please help,I need to submit this today by 8​

Answer 1

Solution :-

$\dashrightarrow\sf\dfrac 3 7 - \dfrac{-4}{21}$

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$\dashrightarrow\sf\dfrac 3 7 + \dfrac{4}{21}$

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Taking LCM

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$\dashrightarrow\sf \dfrac{9+4}{21}$

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Now addition in numerator

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$\dashrightarrow\sf \dfrac{13}{21}$

So the required answer is 13/21.