Adding and Subtracting Fractions with Like Denominators - PowerPoint PPT Presentation

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Adding and Subtracting Fractions with Like Denominators

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Adding and Subtracting Fractions with Like Denominators Simplify Your Answer 6 8 = 2 2 3 4 5 5 Subtract these fractions 2 9 8 9 - = 6 9 4 1 3 Simplify Your Answer ... – PowerPoint PPT presentation

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Title: Adding and Subtracting Fractions with Like Denominators


1
Adding and Subtracting Fractions with Like
Denominators
2
Parts of a Fraction
3
the number of parts
4
the total number of parts that equal a whole
3
Parts of a Fraction
3
numerator
4
denominator
4
Adding Like Denominators
Only add the numerators
1/4
1/4
3
1
4


4
4
4
1/4
1/4
5
Simplify Your Answer
4
1

4
6
Add these fractions
1/5
1/5
3
1
4

1/5

5
5
5
1/5
7
Add these fractions
1/4
1/4
2
1
3


4
4
4
1/4
8
Add these fractions
1
1
1
6
6
6
5
2
3


6
6
6
1
1
6
6
9
Add these fractions
1
1
1
6
6
6
4
2
2


6
6
6
1
6
10
Simplify Your Answer
4
2
2


6
2
3
11
Add these fractions
8
3
5


12
12
12
12
Simplify Your Answer
8
4
2


12
4
3
13
Add these fractions
4
3
1


10
10
10
14
Simplify Your Answer
4
2
2


10
2
5
15
Add these fractions
7
3
4


4
4
9
9
9
16
Add these fractions
3
4
1


5
5
8
8
8
17
Simplify Your Answer
4
4
1

5
5

8
4
2
18
Add these fractions
2
3
1


4
7
3
9
9
9
19
Simplify Your Answer
3
3
1

7
7

9
3
3
20
Subtracting Like Denominators
Only subtract the numerators
1/4
1/4
4
1
3
-

4
4
4
1/4
1/4
21
Subtract these fractions
1/5
1/5
4
1
3
-
1/5

5
5
5
1/5
22
Subtract these fractions
1/4
1/4
3
1
2
-

4
4
4
1/4
23
Simplify Your Answer
2
2
1


4
2
2
24
Subtract these fractions
1
1
1
6
6
6
3
2
5
-

6
6
6
1
1
6
6
25
Simplify Your Answer
3
3
1


6
3
2
26
Subtract these fractions
1
1
1
6
6
6
2
2
4
-

6
6
6
1
6
27
Simplify Your Answer
2
2
1


6
2
3
28
Subtract these fractions
2
3
5
-

12
12
12
29
Simplify Your Answer
2
2
1


12
2
6
30
Subtract these fractions
6
3
9
-

10
10
10
31
Simplify Your Answer
6
2
3


10
2
5
32
Subtract these fractions
1
3
4
-

4
4
9
9
9
33
Subtract these fractions
7
6
1
-

5
5
8
8
8
34
Simplify Your Answer
6
2
3

5
5

8
2
4
35
Subtract these fractions
8
6
2
-

4
1
3
9
9
9
36
Simplify Your Answer
6
3
2

1
1

9
3
3
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