Question

Calculate :

$\frac{3}{4} + \frac{ - 4}{9} - \frac{7}{4}$

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Answer 1

Answer :-

$= \frac{3}{4} + \frac{ - 4}{9} - \frac{7}{4}$

so , it can be written as -

$= \frac{3}{4} - \frac{4}{9} - \frac{7}{4}$

now , take LCM of 4 ,9 and 4 which is 36.

$= \frac{27 - 16 - 63}{36}$

$= - \frac{ 52}{36}$

$= - \frac{13}{9}$