1. Notice anything interesting?
Dividing Fractions
Notice anything interesting?

2. Dividing by a fraction is the same as
multiplying by
the second number “flipped over”
…for example, are called reciprocals

3. 1 ! = What happens when you multiply a number by its reciprocal? ·
Write “reciprocal” in your notes!!
What happens when you multiply a number by its reciprocal?
1 ! = ·

4. Dividing is the same as MULTIPLYING BY THE RECIPROCAL
Write this in your notes!!
Dividing is the same as MULTIPLYING BY THE RECIPROCAL
examples:

5. How about mixed numbers?
…hint: remember what we did with mixed numbers and multiplication!!
To divide mixed numbers
just change them to improper fractions, then use the rule

6. Practice by doing these:

7. Some of you might not be convinced why this works!
Let’s look at:
which we can write as… =
multiply the top and bottom by…