Common Denominators

Flashcard
•
Mathematics
•
4th - 6th Grade
•
Hard
Standards-aligned
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1.
FLASHCARD QUESTION
Front
What is a common denominator?
Back
A common denominator is a number that can be used as a denominator for two or more fractions, allowing them to be compared or combined.
2.
FLASHCARD QUESTION
Front
Why do we need a common denominator when adding fractions?
Back
We need a common denominator to ensure that the fractions are expressed in the same terms, making it possible to add their numerators.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
3.
FLASHCARD QUESTION
Front
What is the least common denominator (LCD)?
Back
The least common denominator (LCD) is the smallest number that is a common multiple of the denominators of two or more fractions.
4.
FLASHCARD QUESTION
Front
How do you find the least common denominator of 2/4 and 3/8?
Back
The least common denominator of 2/4 and 3/8 is 8.
5.
FLASHCARD QUESTION
Front
Which of these numbers could NOT be a common denominator for 2/4 and 3/8: 32, 12, 8, 24?
Back
12
6.
FLASHCARD QUESTION
Front
What is the least common denominator for 1/3 and 1/4?
Back
The least common denominator for 1/3 and 1/4 is 12.
7.
FLASHCARD QUESTION
Front
What is the first step when adding fractions with unlike denominators?
Back
Find a common denominator.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
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