Download presentation

Presentation is loading. Please wait.

Published byClarence Price Modified over 6 years ago

1
8.5 – Add and Subtract Rational Expressions

2
When you add or subtract fractions, you must have a common denominator. When you subtract, make sure to distribute the negative!

3
1. Perform the indicated operation and simplify. a. = 6 = 1

4
1. Perform the indicated operation and simplify. b. = =

5
1. Perform the indicated operation and simplify. c. = =

6
What if you have unlike denominators? Find the least common denominator!

7
2. Find the least common multiple. and 5x(2x – 3) 5x 3 (2x – 3) a.

8
2. Find the least common multiple. and 4(x 2 – 4) 6(x 2 – 4x + 4) 6(x – 2) 2 4(x – 2)(x + 2) 12(x – 2) 2 (x + 2) b.

9
3. Perform the indicated operation. = 2x2x 3 2x2x 3

10
4. Perform the indicated operation. x + 4 x + 6 =

11
5. Perform the indicated operation. = 2x – 3 2

12
6. Perform the indicated operation. = (x+3) (x+3)(x+5) (x-5)(x+5)

13
6. Perform the indicated operation.

14
Complex Fraction: Fraction in the numerator or denominator How To solve: Multiply the numerator and denominator by the least common multiple of every fraction in the numerator and denominator

15
7. Simplify. 60 === -5

16
8. Simplify. (x+5)(x-3) =

Similar presentations

© 2022 SlidePlayer.com Inc.

All rights reserved.

To make this website work, we log user data and share it with processors. To use this website, you must agree to our Privacy Policy, including cookie policy.

Ads by Google