Why is it necessary to have a common denominator to add fractions?

Adding Fractions with Unlike Denominators

Flashcard
•
Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
To make the denominators the same for easy addition
2.
FLASHCARD QUESTION
Front
What is the least common multiple of 9 and 3?
Back
9
3.
FLASHCARD QUESTION
Front
How do you rename 1/3 to have a denominator of 9?
Back
Multiply both numerator and denominator by 3
4.
FLASHCARD QUESTION
Front
After finding the common denominator, what is the next step in adding fractions?
Back
Add the numerators while keeping the denominator the same
5.
FLASHCARD QUESTION
Front
What is the final step after adding fractions with a common denominator?
Back
Check if the fraction can be simplified
6.
FLASHCARD QUESTION
Front
Simplified form of 7/9?
Back
Cannot be simplified
7.
FLASHCARD QUESTION
Front
Least common multiple to add 3/10 and 2/6?
Back
30
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