Add Sub Ratl Expressions
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8/18/2019 Add Sub Ratl Expressions
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Name ________________________________________ Period _____
Date ___________________________
I CAN #56 – Adding and Subtracting Rational ExpressionsSimplify.
Assume each denominator is not equal to zero.
1.3 2
5 5
x x+ ++ 2.
3 15
5 5
r
r r +
+ +
3.4 2 3
2 2
x x
x x
− ++
− −
4.9 3 5 4
2 6 2 6
x x
x x
+ ++
+ +
5.4 2
5 5
x x+ +− 6.
4 6
2 2 x x
−−
− −
7.2 2
2 2
x x
x x−
− −
8.15 3
5 1 5 1
x
x x
−−
+ +
9.6
3 1
x x
x x+
− +
10.2
3 2 9 6
m
m m+
+ +
11. 23 5
5 25 x x
−+
− −
12. 21
2 1 1
x
x x x+
+ + +
13.3
5 3
k
k k −
+ −
14.1 4
1 2 5
m
m m
−−
+ +
15.2
3 6
6 6 x x x
− −−
− −
16.2
3
5 25
x
x x−
− −
Name ________________________________________ Period _____
Date ___________________________
I CAN #56 – Adding and Subtracting Rational ExpressionsSimplify.
Assume each denominator is not equal to zero.
1.3 2
5 5
x x+ ++ 2.
3 15
5 5
r
r r +
+ +
3.4 2 3
2 2
x x
x x
− ++
− −
4.9 3 5 4
2 6 2 6
x x
x x
+ ++
+ +
5.4 2
5 5
x x+ +− 6.
4 6
2 2 x x
−−
− −
7.2 2
2 2
x x
x x
−
− −
8.15 3
5 1 5 1
x
x x
−−
+ +
9.6
3 1
x x
x x+
− +
10.2
3 2 9 6
m
m m+
+ +
11. 23 5
5 25 x x
−+
− −
12. 21
2 1 1
x
x x x+
+ + +
13.3
5 3
k
k k −
+ −
14.1 4
1 2 5
m
m m
−−
+ +
15.2
3 6
6 6 x x x
− −−
− −
16.2
3
5 25
x
x x−
− −
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