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Perform the following:-1/3 + 6/715/16 - 3/47/6x + -4/3y

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SOLUTION


\begin{gathered} a\text{. }(-1)/(3)\text{ + }(6)/(7) \\ \\ (-7+18)/(21) \\ \\ (11)/(21) \end{gathered}

b.


\begin{gathered} (15)/(16)-(3)/(4) \\ \\ (15-12)/(16) \\ \\ (3)/(16) \end{gathered}

c.


\begin{gathered} (7)/(6x)+(-4)/(3y) \\ \\ (7y-8x)/(6xy) \end{gathered}

So we just have to find the LCM of the denominators, then we perform the rule of addition of fraction

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