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Common Denominator A Common Denominator is also the LEAST COMMON MULTIPLE. LCM is the smallest numbers that each factor can be divided into evenly.
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Warm Up
Simplify:
Adding and Subtracting with Unlike Denominators
Common Denominator
A Common Denominator is also the LEAST COMMON MULTIPLE.
LCM is the smallest numbers that each factor can be divided into evenly.
LCM
Find the LCM of each pair of numbers1. 4, 5
2. 3, 8
3. 4, 12
Review of Adding and Subtracting Fractions With Unlike Denominators
Add or subtract the following.1.
2.
Finding LCM
For Variables LCM: Take the Largest Exponent!
Find the LCM:x4 and xx3 and x2
3x5 and 9x8
Adding and Subtracting Fractions With Unlike Denominators
Add or subtract the following.1.
2.
Finding LCM of Expressions
For Expressions LCM: Include ALL factors!!
Add or Subtract the Following
1.
Add or Subtract the Following
1.
Add or Subtract the Following
1.
Add or Subtract the Following
1.
Complex Fractions
A complex fraction is a faction that has a fraction in its numerator or denominator.
Simplifying
To Simplify Multiply the top and the bottom by the COMMON DENOMINATOR
Try Some!
Simplify
