Problem 611

Subtract \frac{7}{9}-\left ( -\frac{13}{18} \right )

 

Solution:-

 

We can write it as

-\frac{7}{9}+\frac{13}{18}

When we multiply a negative value by a negative sign then it become positive

Now take LCM which is 18

=\frac{(-7\times 2+13)}{18}

=\frac{(-14+13)}{18}

=\frac{-1}{18}

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