1. Change to Mixed Number---7/4
Change to Improper Fraction-- 5 and 2/3
GCF of 30 and 36
LCM of 8 and 12
5/6 – 1/3
2/5 + 3/10

2. Dividing Fractions

3. To Divide Fractions: Keep the first fraction
Change the division sign to a multiplication sign.
Flip the second fraction upside down.
Multiply.

4. Reciprocal
When you flip the second fraction, you are writing that fraction’s reciprocal. 3 5 5 3

5. Example 1 Keep---Change---Flip÷ 2 3
Rewrite: 1 2 2 x = 1 3 3

6. Example 2 Keep---Change---Flip4 4 ÷ 5 9
Rewrite: 1 4 9 9 4 1 x = = 4 1 5 5 5

7. Example 3 Keep---Change---Flip12 3 ÷ 5 1
Rewrite: 20 4 12 5 20 x = = 1 1 3 1

8. Example 4 Keep---Change---Flip1 2 ÷ 6 1
Rewrite: 1 1 1 x = 6 2 12

9. Fraction Tips Mixed Number to Improper Improper to Mixed
Whole number times denominator
Plus numerator
Keep same denominator
Improper to Mixed
Divide numerator by denominator
Adding/Subtracting
Find common denominator (find LCM)
Simplify (find GCF)
Multiplying
Multiply across the top and bottom
Dividing
Keep---Change---Flip

10.
ons_improper.html

11. Independent Practice Page 274 (9-14) Page 274 (24-27) Early Finishers

12. Dividing Mixed Numbers

13. To divide Mixed Numbers:
Change mixed numbers into improper fractions.
Keep the first fraction
Change to multiplication
Flip second fraction
Simplify-change back to mixed number

14. Example 1 6 2 2 ÷ 2 5 7 32 16 ÷ 5 7 2 2 32 7 14 4 = = x 16 1 5 5 5

15. Example 2 1 6 1 ÷ 2 9 3 10 20 ÷ 9 3 10 1 1 3 1 x = 2 3 9 20 6

16. Example 3 8 5 1 ÷ 13
105 5 ÷ 13 1 1 1 8 21
105 = 21 x = 13 13 13 5 1