Question

Find the sum of (also explain)

-8/9 + (3/-5)​

Answer 1

Answer:

-8/9+ 3/+5

8/9×45+3/5×45[LCM]

-48+(-27)/45

-75/-45[divideby 5] and also negetive negetive cancells

15/9 [divide by 3]

5/3

Answer 2

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QUESTION :- Find the sum of $\frac{-8}{9}$ and $\frac{3}{-5}$.

ANSWER :-

We have add both the values given.

$\frac{ - 8}{9} + \frac{3}{ - 5}$

Now the denominators are different so we have to make them same.

So denominator of 9 and 5 is 45.

$= \frac{8}{ - 9} \times \frac{5}{5} + \frac{3}{ - 5} \times \frac{9}{9}$

$= \frac {-40}{45} + \frac{27}{ - 45}$

$= \frac{67}{ - 45} \: or \: \frac { - 67}{45}$

Hence the answer of the given question is given above.