Add/Sub UNLIKE Fractions
Presentation
•
Mathematics
•
5th - 7th Grade
•
Hard
Carolyn Surowka
Used 6+ times
FREE Resource
4 Slides • 0 Questions
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Add/Sub UNLIKE Fractions
Strategies to make common denominators
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Strategy 1: Does the smaller denominator go evenly into the larger one?
This method is great as you would only have to change one fraction!
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Strategy 2: Multiply denominators by each other
This method always works, but doesn't always make the smallest denominator (LCD)
May have to do more reducing with the answer with this strategy
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Strategy 3: Find the Least Common Multiple
Think though or look at multiplication chart to find multiples of each denominator
Find the smallest multiple that both denominators share
Add/Sub UNLIKE Fractions
Strategies to make common denominators
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