Fractions- adding and subtracting
Presentation
•
Mathematics
•
KG - 12th Grade
•
Easy
Standards-aligned
Katherine Furgeson
Used 12+ times
FREE Resource
16 Slides • 3 Questions
1
Fractions are part of a whole.
1/4 is a larger part than 1/8.
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Adding fractions with the same or "like" denominators.
Simply add the numerators and the denominator stays the same.
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Numerator
The Numerator is the top number and it tells you how many pieces you have. Here the numerator is 1.
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Denominator
The denominator is the bottom number and it tells you how many pieces were possible to make up the whole. Here the Denominator is 2.
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Multiple Select
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Which is bigger?
This questions shows us that 1/2 is bigger than 1/10
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Multiple Choice
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Subtracting fractions with the same or "like" denominators
Subtract the numerators and the denominators stay the same.
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What if the denominators are NOT the same??
Denominators MUST be the same to add or subtract fractions! We can handle this!!!!!!
12
Finding the same or "like" denominator
First you need to look at the two different denominators and find a larger number that they both will divide into evenly. Try to find the Least Common Multiple. Least, meaning the first number you come across that they will both divide into evenly.
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NOW we can add!
2/4 + 1/4 = 3/4
Voila!!! YOU DID IT!
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Multiple Choice
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YOU DID IT!!!!
You can now add and subtract fractions!!!!!
Fractions are part of a whole.
1/4 is a larger part than 1/8.
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