simplifying fractions. vocabulary equivalent fractions – fractions that name the same number
TRANSCRIPT
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Simplifying Fractions
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Vocabulary
Equivalent fractions – fractions that name the same number.
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Equivalent Fractions
4
2
2
1
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Equivalent Fractions
8
6=
4
3
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Equivalent Fractions
To find an equivalent fraction you multiply or divide the numerator and the denominator by the same number.
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Equivalent Fractions
4
1
8
2=
x 2
x 2
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Equivalent Fractions
21
18
7
6=
3
3
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Vocabulary
Simplest form – when the GCF of the numerator and denominator is one.
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Rules for Simplifying FractionsWhen the numerator is 1, the
fraction will not reduce.
Example:
2
1
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Rules for Simplifying FractionsWhen the denominator is prime,
the fraction will not reduce.
Example:
(prime)7
4
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Rules for Simplifying FractionsWhen the numerator is one less
than the denominator, the fraction will not reduce. (Counting order)
Example:
5
4
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Rules for Simplifying FractionsWhen the numerator is prime and does not divide the denominator evenly, the fraction will not reduce.
Example:(prime)
8
5
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Rules for Simplifying FractionsWhen the numerator and the
denominator are even, the fraction will always reduce.
Example:
10
8 2
2=
5
4
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Rules for Simplifying FractionsWhen the numerator divides the
denominator evenly, the fraction will always reduce.
Example:
15
5 5
5=
3
1
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Rules for Simplifying FractionsWhen the numerator and the
denominator can be divided by a common factor, the fraction will always reduce.
Example:12
9 3
3=
4
3