Adding and Subtracting Fractions with Unlike Denominators

Flashcard
•
Mathematics
•
5th Grade
•
Hard
+3
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 in fractions?
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 two fractions?
Back
To find a common denominator, identify the least common multiple (LCM) of the denominators.
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
If you have 1/4 and 2/3, what is the common denominator?
Back
The common denominator for 1/4 and 2/3 is 12.
6.
FLASHCARD QUESTION
Front
How do you convert fractions to have a common denominator?
Back
Multiply the numerator and denominator of each fraction by the necessary factor to reach the common denominator.
7.
FLASHCARD QUESTION
Front
What is the process for adding fractions with unlike denominators?
Back
1. Find a common denominator. 2. Convert each fraction. 3. Add the numerators. 4. Simplify if necessary.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
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