adelaidegladebrooke adelaidegladebrooke

22-02-2020
Mathematics

contestada

In 1/a-b - 1/b-a
Why do we multiply the fraction by -1 to get the common denominator?
I factorised the denominators and got the wrong answer.
The answer is 2/a-b
Please explain, thank you

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ridhamahdi92 ridhamahdi92

22-02-2020

Idk but better then I have the same thing to call me and my friend told him I don’t want him to

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