Problem 441

Sir SagarDecember 31, 20140

Add $\frac{-4}{5}+(\frac{-3}{4})$

Solution

We can write it as

$\frac{-4}{5}-\frac{3}{4}$

When we multiply a negative value with a positive value then answer will be a negative value

Now take LCM which is 20

$\frac{(-4\cdot 4-3\cdot 5)}{20}$

= $\frac{-16 -15}{20}$

= $\frac{-31}{20}$

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