1. Lesson 70.notebook April 23, 2013
Lesson 70:
*We can "cancel" with fractions before we multiply or divide - to
make the problem easier to compute!
ex--> 3
5
2
3

2. Lesson 70.notebook April 23, 2013
Lesson 70 Examples:
Reduce before multiplying.
A) 3 4
4 5
B) 2 3
3 4
X
X

3. Lesson 70.notebook April 23, 2013
C) 8 9
9 10
Write in fraction form. Then reduce before multiplying.
D) 1
4
X
X
2 4

4. Lesson 70.notebook April 23, 2013
E) 1 2
2 3
F) 1 1
3 4
X
X
1 2
23

5. Lesson 70.notebook April 23, 2013
Rewrite each as multiplication - then reduce before multiplying.
G) 2 2
5 3
H) 8 2
9 3

6. Lesson 70.notebook April 23, 2013
I) 9 1
10 51