Question

find the rational numbers
(2/-3×5/4) + (5/9×3/-10)​

Answer 1

Step-by-step explanation:

(8/-15)+(-50/27)

(-8/15)+(-50/27)

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Answer 2

(2/-3*5/4)+(5/9*3/-10)

by  cancellation method we get,

(5/-6)+(1/-6)

hence ans=6/-6

then here also we can do cencellation.then we obtain,

6/-6=1/-1

here negative sign which is in denominator goes up in the numerator

so we get,1/-1=-1/1 or -1

therefore the required answer is -1/1.

hope it will help you