Adding and Subtracting unlike fractions

Flashcard
•
Mathematics
•
3rd - 5th Grade
•
Hard
+6
Standards-aligned
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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 number that can be used as a denominator for two or more fractions, making it easier to add or subtract them.
2.
FLASHCARD QUESTION
Front
What is the least common multiple (LCM)?
Back
The least common multiple (LCM) is the smallest number that is a multiple of two or more numbers.
3.
FLASHCARD QUESTION
Front
How do you find a common denominator for 1/3 and 1/6?
Back
The common denominator for 1/3 and 1/6 is 6, as it is the smallest number that both denominators can divide into.
4.
FLASHCARD QUESTION
Front
What is the result of 1/2 + 1/3?
Back
To add 1/2 and 1/3, first find a common denominator (6). The result is 5/6.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
5.
FLASHCARD QUESTION
Front
Can you add fractions with different denominators directly?
Back
No, you cannot add fractions with different denominators directly. You must first find a common denominator.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
6.
FLASHCARD QUESTION
Front
What is the common denominator for 1/2, 1/3, and 1/4?
Back
The common denominator for 1/2, 1/3, and 1/4 is 12.
7.
FLASHCARD QUESTION
Front
What is 3/4 + 1/8?
Back
3/4 + 1/8 = 7/8.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
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