Multiplying and Dividing Fractions

1
Multiplying and Dividing Fractions

• To multiply fractions, first multiply their
  numerators and their denominators.
• To divided fractions, rewrite the division as a
  related multiplication in which you multiply by
  the reciprocal of the divisor.
• To multiply or divide mixed numbers, change the
  mixed numbers to improper fractions then follow
  the steps above.

2
Multiplying
3



11
4
2
Fraction Multiplication
Fraction Simplification
3
Multiplying
2



3
Fraction Multiplication
Fraction Simplification
4
Dividing
3
3
12
12
28
7
3
4



3
5
7
5
7
5
5
Fraction Simplification and Multiplication
5
Dividing
4
8
4

5
15
8
8
24
24
3
5
3
8


8
5
15
5
15
5
9


9
1
Fraction Simplification
Fraction Multiplication
Mixed Number Conversion
6
YOU TRY IT
7
Fractions Steps for Success

• Know the fraction rules and how to apply them
• Show your work and write out each step
• Check your work for errors or careless mistakes

8
Fraction Simplification
Fraction Simplification
Fraction Simplification
Fraction Simplification
Fraction Multiplication
9
Fraction Division
Fraction Simplification
Fraction Simplification
Fraction Multiplication