1. Multiplying and Dividing Fractions
Note: All of the rules for multiplying and dividing fractions that you learned in
integers must be used when working with fractions.
Odd number of negatives­­­answer is negative
Even number of negatives­­­answer is positive
Multiply
Multiply the numerator by the numerator and the denominator by
the denominator.
Ex.
Sometimes it is easier to simplify before multiplying then after by
canceling common factors in the numerator and denominator.
Ex.
If you need to multiply mixed numbers, just convert them to
improper fractions first and then multiply numerator with
numerator and denominator with denominator.
Ex.
1

2. 2

3. Divide
First change any mixed fraction to an improper fraction.
Flip the fraction you are dividing by Reciprocal ­ 1 divided by the fraction
­ the fraction flips
(change it to it's reciprocal)
Ex.
Then multiply the fractions.
Ex.
3

4. 4

5. 5

6. 6