Some word
problems are solved using multiplication and division of fractions.
These can be common fractions or mixed numbers. This page will
use multiplication problems. A link at the bottom of this page
will take you to a lesson with division problems!
Let's review
fractions!
common fraction- contains
a numerator and denominator and is less than one whole
mixed number-contains a
whole number and a common fraction and is greater than one whole
Do you need to
review multiplication rules for common fractions? If yes,
click here!
Let's multiply
some common fractions
together!
Remember to put all answers in lowest terms!
5
x 3 =
8 4
5 x 3 =
15 8 x 4 = 32
2
x 6 = 3 5
2 x 6 =
12 ÷3
= 4
3 x 5 = 15 ÷3
= 5
Now let's examine
some word problems which might use fractions.
1. A recipe
calls for ¾ cup of sugar. I only want to make ½ a recipe.
How much sugar is needed?
Set up equation:
¾ x ½
Solve equation: ¾
x ½ = ⅜
Label the answer: ⅜
cup
2. John is halfway (½)
around a quarter (¼) mile track. How far has he run so
far?
Set up equation:
¼ x ½ =
Solve equation: ¼
x ½ = ⅛
Label the answer: ⅛
mile
Do you need to
review multiplication rules for mixed numbers? If yes, click
here!
Let's do some
together!!
Remember to put all answers in lowest terms!
Now let's examine
some word problems which use mixed numbers!
1. A
father weighed 2¼ times more than his son. If the son weighs
60½ pounds, about how much does the father weigh?
Set up equation:
Solve equation:
Label the answer:
about 136
pounds
2. The band was selling
candy for a fundraiser. Jennifer bought 2½ pounds of candy and
ate ½ of it. How many pounds did she eat?
pounds