Question

add the following

7/-9 and -3/4

please type full answer ​

Answer 1

Answer:

The answer is -55/36 .

Step-by-step explanation:

$\frac{7}{ - 9} +( \frac{ - 3}{4} )\\ = - \frac{7}{9} - \frac{3}{4} \\ = \frac{ - 28 - 27}{36} \\ = \frac{ - 55}{36}$

Answer 2

Answer:

-55/36

Step-by-step explanation:

first remove negative sign from denominator and put in numerator

Now, it's like -7/9 and -3/4

LCM of 9 and 4 is 36

$\frac{ - 7}{9} \times 4 = \frac{ - 28}{36}$

$\frac{ - 3}{4} \times 9 = \frac{ - 27}{36}$

Now,

$\frac{ - 28}{36} + \frac{ - 27}{36}$

Formula = - and + = - and - = +

$\frac{ - 55}{36} \: is \: the \: anwser$