Common Denominator
Flashcard
•
Mathematics
•
4th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a common denominator?
Back
A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
2.
FLASHCARD QUESTION
Front
Why can't you add fractions with unlike denominators directly?
Back
You cannot add fractions with unlike denominators directly because they represent different parts of a whole, making it necessary to convert them to a common denominator first.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
3.
FLASHCARD QUESTION
Front
What is the first step in adding fractions with unlike denominators?
Back
The first step is to find a common denominator.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
4.
FLASHCARD QUESTION
Front
How do you find the least common denominator (LCD) of two fractions?
Back
To find the least common denominator, list the multiples of each denominator and identify the smallest multiple that appears in both lists.
5.
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.
6.
FLASHCARD QUESTION
Front
What is the common denominator for 1/2 and 3/4?
Back
The common denominator for 1/2 and 3/4 is 4.
7.
FLASHCARD QUESTION
Front
How do you rename a fraction with a different denominator?
Back
To rename a fraction with a different denominator, multiply both the numerator and the denominator by the same number to create an equivalent fraction.
Tags
CCSS.3.NF.A.3A
CCSS.3.NF.A.3B
CCSS.4.NF.A.1
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