Adding and Subtracting Fractions with Unlike Denominators

Flashcard
•
Mathematics
•
5th - 7th Grade
•
Hard
+4
Standards-aligned
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16 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 when the bottom numbers of two or more fractions are different, making it necessary to find a common denominator to add or subtract them.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
3.
FLASHCARD QUESTION
Front
How do you find a common denominator for fractions?
Back
To find a common denominator, identify the least common multiple (LCM) of the denominators.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
4.
FLASHCARD QUESTION
Front
What is the first step in adding fractions with unlike denominators?
Back
The first step is to find a common denominator for the fractions.
Tags
CCSS.7.NS.A.1C
5.
FLASHCARD QUESTION
Front
What is the first step in subtracting fractions with unlike denominators?
Back
The first step is to find a common denominator for the fractions.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
6.
FLASHCARD QUESTION
Front
How do you add fractions once you have a common denominator?
Back
Add the numerators together and keep the common denominator the same.
Tags
CCSS.4.NF.B.3C
CCSS.4.NF.B.3D
7.
FLASHCARD QUESTION
Front
How do you subtract fractions once you have a common denominator?
Back
Subtract the numerators and keep the common denominator the same.
Tags
CCSS.4.NF.B.3C
CCSS.4.NF.B.3D
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