adding and subtraction fractions (PRE)
Flashcard
•
Mathematics
•
6th - 9th Grade
•
Hard
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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).
2.
FLASHCARD QUESTION
Front
What does it mean to add fractions with different denominators?
Back
To add fractions with different denominators, you must first find a common denominator, convert the fractions, and then add the numerators.
3.
FLASHCARD QUESTION
Front
How do you find a common denominator for 1/3 and 4/7?
Back
The least common multiple (LCM) of the denominators (3 and 7) is 21. Convert both fractions to have a denominator of 21.
4.
FLASHCARD QUESTION
Front
What is the sum of 1/3 and 4/7?
Back
1/3 + 4/7 = 19/21 after finding a common denominator and adding the fractions.
5.
FLASHCARD QUESTION
Front
What is the process to add 1/8 and 5/16?
Back
Find a common denominator (16), convert 1/8 to 2/16, then add: 2/16 + 5/16 = 7/16.
6.
FLASHCARD QUESTION
Front
What does it mean to reduce a fraction to its simplest form?
Back
Reducing a fraction means dividing the numerator and denominator by their greatest common factor (GCF) to simplify it.
7.
FLASHCARD QUESTION
Front
What is the sum of 5/12 and 2/3?
Back
5/12 + 2/3 = 13/12 after converting 2/3 to 8/12 and adding.
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