Answer
One of the similarities is that the denominators are the same type, so there is no need to multiply the numerators by the denominators.
Work Step by Step
Another of the similarities is that the numerators are the same type.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 7 - Section 7.3 - Adding and Subtracting Rational Expressions with the Same Denominator and Least Common Denominator - Exercise Set - Page 510: 76
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