Daily Starter
Find the least common denominator:
1. x 7x
5, 4
2. 8 6
2x, x
Feb 18­5:54 PM
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Section 11.6
Adding and Subtracting
Rational Expressions
Fractions with "unlike"
denominators
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2
Steps to find common denominators
1.
2.
3.
4.
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5
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Problem
Common Denominator Solution Mar 11­11:05 AM
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Feb 18­6:15 PM
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Homework:
Section 11.6b
p. 679
# 7, 19, 21, 25, 8
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Homework:
10. x + 9
12.
11. 2
x2
2x
13. 2 - 5x
14.
5.
2
5
15.
1
x2
6. -2x - 1
x2 - 9
x
29.
8x
4x + 1
3x - 1
4.
1
x+5
x+2
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