Problem 435

Sir SagarDecember 30, 2014December 30, 20140

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

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

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

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

= $\frac{-1}{18}$

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