Adding and Subtracting Fractions
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+5
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the process for adding fractions with different denominators?
Back
To add fractions with different denominators, first find a common denominator. Convert each fraction to an equivalent fraction with the common denominator, then add the numerators and keep the common denominator.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
2.
FLASHCARD QUESTION
Front
How do you subtract fractions?
Back
To subtract fractions, ensure they have a common denominator. If they don't, find a common denominator, convert the fractions, then subtract the numerators while keeping the common denominator.
Tags
CCSS.4.NF.B.3C
CCSS.4.NF.B.3D
3.
FLASHCARD QUESTION
Front
What is a mixed number?
Back
A mixed number is a whole number combined with a proper fraction, such as 2 1/2.
Tags
CCSS.3.NF.A.3C
4.
FLASHCARD QUESTION
Front
How do you convert a mixed number to an improper fraction?
Back
To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that sum over the original denominator.
5.
FLASHCARD QUESTION
Front
What is the least common denominator (LCD)?
Back
The least common denominator (LCD) is the smallest multiple that two or more denominators share.
6.
FLASHCARD QUESTION
Front
What is the result of adding a positive fraction to a negative fraction?
Back
The result depends on the absolute values of the fractions. If the positive fraction is larger, the result is positive; if the negative fraction is larger, the result is negative.
Tags
CCSS.7.NS.A.1C
7.
FLASHCARD QUESTION
Front
How do you simplify a fraction?
Back
To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).
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