Mathematics, 23.02.2020 01:32 tdahna0403

I am supposed to simplify 1/a-b - 1/b-a

The answer is 2/ a-b

But I don't know how they got the denominator during the working and the final answer.
Please help, thank you

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, annalisamorris0

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Answers: 1

continue

Mathematics, 21.06.2019 19:00, JvGaming2001

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

Answers: 1

continue

Mathematics, 21.06.2019 21:30, maddie02294

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Answers: 1

continue

Mathematics, 22.06.2019 00:00, nyctvinny8290

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet

Answers: 1

continue

You know the right answer?

I am supposed to simplify 1/a-b - 1/b-a

The answer is 2/ a-b

But I don't kno...