Fractions Packet - Examples And Worksheets With Answers Page 18
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42Multiplication and Division of Fractions Worksheets
When multiplying fractions, simply multiply the numerators (top number of the
fractions) together and multiply the denominators (bottom number of the
fractions) together. It is good practice to check to see if any of the numbers
can cancel. Canceling is done when the numerator and denominator can be
evenly
divided
by the same number.
Note: canceling can happen top-to-bottom and/or diagonally but never across.
1
2
2
Ex. 1:
this product can be canceled. Divide the numbers in the
2
3
6
2
2
1
fraction by 2 to get the canceled answer
.
6
2
3
The fractions in Ex. 1 can cancel before they are multiplied.
1
1
2
1
Ex. 1:
2
3
3
1
The 2’s cancel by dividing by 2. Cross them out and place 1’s close by. Now
multiply the top numbers together, then the bottom numbers. The product is
the final answer.
7
1
35
100
35
100
7
1
7
Ex. 2:
can be rewritten as
40
1000
40
1000
8
10
80
8
10
Cancel by dividing by 5. Then cancel by dividing by 100. Multiply and get the
product.
1
1
3
1
1
Ex. 3:
can be written like.
Cancel by dividing by 3. Finally,
3
1
3
1
3
1
1
multiply to find the product.
Fractions Packet
Created by MLC @ 2003 page 18 of 42
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