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# Fractions

## on Dec 16, 2009

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## FractionsPresentation Transcript

• Quick Review
Remember
5
5
Improper Fractions to Mixed Numbers
=1
a) 15
8
b) 24
10
c) 45
4
d) 26
7
e) 34
6
f) 17
4
g) 84
9
h) 8
3
i) 45
6
j) 7
2
k) 28
8
10
5
=2
15
5
=3
• Quick Review
Remember
5
5
Mixed Numbers to Improper Fractions
=1
a) 4
8
b) 4
10
c) 2
4
d) 6
7
e) 4
6
f) 3
4
g) 4
9
h) 1
3
i) 5
6
j) 1
2
k) 4
8
1
7
4
1
10
5
=2
4
3
5
9
15
5
=3
3
1
3
7
Same Denominators
5
10
3
10
8
10
+
=
4
12
7
12
11
12
+
=
7
10
3
10
_
4
10
=
3
4
2
4
_
1
4
=
Different Denominators
7
12
1
6
+
x2
x2
7
12
2
12
+
+
7 ___
12
2
9
12
=
Different Denominators
3
4
2
5
x4
x5
+
=
x4
x5
15
20
8
20
+
=
+
15____
20
8
23
20
=
Different Denominators
8
16
1
4
_
x4
=
x4
8
16
4
16
_
=
_
1
4
8____
16
4
4
16
=
=
Different Denominators
7
10
3
5
_
x2
=
x2
7
10
6
10
_
=
_
7____
10
6
1
10
=
Mixed Numbers
Remember
5
5
7
10
3
10
=1
+
=
4
3
10
5
47
10
33
10
=2
+
=
15
5
80
10
47 + 33
10
8
1
=3
=
=
Mixed Numbers
Remember
5
5
3
12
6
12
=1
+
=
2
1
10
5
27
12
18
12
=2
+
=
15
5
45
12
27 + 18
12
9
12
=3
=
=
3
Mixed Numbers
Remember
5
5
3
10
6
10
_
=1
=
2
1
10
5
_
23
10
16
10
=2
=
15
5
7
10
23 - 16
10
=3
=
Mixed Numbers
Remember
5
5
3
5
1
5
=1
-
=
4
2
a)
10
5
23
5
11
5
=2
-
=
15
5
12
5
23 - 11
5
2
5
=3
=
=
2
• Multiply Fractions
3
4
2
5
x
=
x
3____
4 x 5
2
=
6
20
3
10
=
=
• Multiply Fractions
4
10
3
7
x
=
x
4____
10 x 7
3
=
12
70
6
35
=
• Multiply Fractions
1
7
7
9
x
=
x
1____
7 x 9
7
=
7
63
1
9
=
• Multiply Fractions
1
7
7
9
=
1
7
9
7
x
=
x
1____
7 x 7
9
9
49
=
• Multiply Fractions
4
5
6
7
=
4
5
7
6
x
=
x
4____
5 x 6
7
14
15
28
30
=
=
• Multiply Fractions
5
10
7
10
=
5
10
10
7
x
=
x
5____
10 x 7
10
5
7
50
70
=
=