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Mathorio

Worksheet

Adding Rational Expressions (Unlike Denominators)

Name:

Class:

Date:

Show your work for each problem.

1.
What is the LCD of and ?
1. a)
2. b)
3. c)
4. d)
2.
To add and , what must you multiply the first fraction by?
1. a)
2. b)
3. c)
4. d)
3.
Find the LCD of and . (Enter as a power of x)
4.
Simplify:
5.
What is the LCD of and ?
1. a)
2. b)
3. c)
4. d)
6.
Simplify:
7.
Simplify and enter only the numerator of the result.
8.
Simplify:
9.
Simplify:
1. a)
2. b)
3. c)
4. d)
10.
Simplify:
11.
Simplify and enter only the numerator.
12.
Simplify:
13.
Simplify:
1. a)
2. b)
3. c)
4. d)
14.
Simplify:
15.
Simplify:
16.
What is the first step when adding and ? (Enter: factor)
17.
Simplify and state if the result can be reduced: