| Vocabulary | Common Denominators | Equivalent Fractions | Find the sum or difference | Estimate. Then find the difference. |
|---|---|---|---|---|
|
What is a number that is a common multiple of two or more denominators?
Common denominator
|
What is a common denominator for 2/3 and 1/6?
6
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What are two equivalent fractions for 2/5 using the common denominators 15 and 40?
6/15 and 16/40
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What is the sum of 5/6 + 7/8?
1 17/24
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What is 1 2/5 - 2/3?
Estimate: 1; 11/15
|
|
What is a number that is a multiple of two or more numbers?
Common multiple
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What is a common denominator for 3/4 and 1/2?
8
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What are two equivalent fractions for 1/8 using the common denominators 24 and 40?
3/24 and 5/40
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What is the difference of 2 2/3 - 1 2/5?
1 4/15
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What is 5 1/9 - 3 5/6?
Estimate: 1; 1 5/18
|
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What is a common denominator for 2/5 and 1/8?
40
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What are two equivalent fractions for 3/4 using the common denominators 8 and 32?
6/8 and 24/32
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What is the sum of 7 3/4 + 3 7/20?
11 1/10
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What is 1 7/8 - 1 1/2?
Estimate: 1/2; 3/8
|
|
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What is a common denominator for 5/8 and 9/10?
40
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What are two equivalent fractions for 1/2 using the common denominators 8 and 22?
4/8 and 11/22
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What is the difference of 2 1/2 - 1 5/6?
4/6 = 2/3
|
What is 3 9/10 - 1 2/5?
Estimate: 2 1/2; 2 1/2
|
|
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What are fractions that name the same amount or part; Example: 3/4 = 6/8
Equivalent fractions
|
What is a common denominator for 1/9 and 5/10?
90
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What are two equivalent fractions for 2/3 and 1/6 using the common denominator 48?
32/48 and 8/48
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What is the difference of 2 1/6 - 1 2/7?
37/42
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What is 7 - 3/7?
Estimate: 6 1/2; 6 4/7
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