1. 1.8 Dividing Rational Numbers
I can use the rules for dividing integers to divide rational numbers and solve problems by dividing rational numbers.

2. Recall rules for dividing integers
Same sign: quotient is positive
Different signs: quotient is negative

3. Dividing decimals
Make the divisor a whole number by multiplying.
EX:

4. Example continued

5. Dividing fractions
When dividing fractions you multiply by the reciprocal.
The reciprocal of 𝑎 𝑏 is 𝑏 𝑎
Remember that mixed numbers must be written as improper fractions!
1 1 2
= 3 2

6. Practice
- 5 6 ÷− 2 3
16.9÷1.3
4 3 8 ÷ 1 2

7. Application
How many oz servings of cereal are in the larger oz cereal box?
13 servings

8. assignment
ODDS ONLY
P.45 #7-25