Adding and Subtracting Unlike Denominators

Flashcard
•
Mathematics
•
5th Grade
•
Hard
+6
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a fraction?
Back
A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).
Tags
CCSS.3.NF.A.1
CCSS.3.NF.A.2B
2.
FLASHCARD QUESTION
Front
What does it mean to have unlike denominators?
Back
Unlike denominators are denominators that are not the same. For example, in the fractions 1/3 and 2/5, the denominators 3 and 5 are unlike.
Tags
CCSS.4.NF.A.2
3.
FLASHCARD QUESTION
Front
How do you add fractions with unlike denominators?
Back
To add fractions with unlike denominators, first find a common denominator, convert the fractions, and then add the numerators.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
4.
FLASHCARD QUESTION
Front
How do you subtract fractions with unlike denominators?
Back
To subtract fractions with unlike denominators, find a common denominator, convert the fractions, and then subtract the numerators.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
5.
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
6.
FLASHCARD QUESTION
Front
What is the first step in adding 1/3 and 2/5?
Back
The first step is to find a common denominator, which for 3 and 5 is 15.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
7.
FLASHCARD QUESTION
Front
Convert 1/3 to a fraction with a denominator of 15.
Back
1/3 = 5/15.
Tags
CCSS.3.NF.A.3B
CCSS.4.NF.A.1
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