Download Multiplying Fractions

Multiplying Fractions
I. Multiplying one Fraction by
Another Fraction
2
5
x
1 = 2 multiply numerators
6 30 multiply denominators
1. 2/9 x ¾
2. 8 x 4 1/5
Reduce 2
1
30 = 15
II. Multiplying a fraction by a
Whole Number
8 x 3/5
1. Turn whole number into a
fraction by putting it over one.
8 x 3
1 5
2. Multiply numerators.
3. Multiply denominators.
8 x 3 = 24 = 4 4/5
1 5
5
3. 3 1/3 x 8 7/8
4. 3/11 x ½
5. 10 1/5 x 2
4. Reduce/ Turn improper
fractions into mixed numbers.
6. 3 x ½
III. Multiplying with Mixed
Numbers
2½ x3¾
1. Turn mixed numbers into
improper fractions
a. multiply the denominator with
the whole number.
b.add that answer to the
numerator.
c. keep denominator
2. Multiply numerator.
3. Muliply denominator
4. Turn back into a mixed number
7. 2 1/8 x 5 6/11
8. You are making 20 fleece
jackets for a craft fair. For each
jacket, you need 1 7/8 yards of
fleece. If fleece costs $9 per yard,
how much money will you spend?