Fractions Packet - Examples And Worksheets With Answers Page 32
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42Adding and Subtracting of Fractions
must
When adding or subtracting, there
be a common denominator. If the
denominators are different:
(a) Write the problem vertically (top to bottom)
(b) Find the LCD
(c) Change to equivalent fractions (by building)
(d) Add or subtract the numerators (leave the denominators the same)
(e) Simplify and reduce, if possible
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1
4
Ex. 1:
The denominators are the same. Add the numerators, keep
5
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5
the denominator. This fraction cannot be simplified or reduced.
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4
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1
Ex. 2:
?
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3
The denominators are different numbers.
equivalent
4
Therefore, change to
fractions.
25
See page
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8
Ex. 3:
?
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9
Ex. 4:
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12
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Simplifying and reducing
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completes addition and
subtraction problems.
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See page 25 & 27
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Ex. 5:
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Fractions Packet
Created by MLC @ 2003 page 32 of 42
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