Created by and copyright of Larry Perez. Funded by the state of California through Saddleback College. More information on videos, resources, and lessons at Algebra2Go.
Questions answered by this video:
How do you add and subtract fractions?
What has to be true about fractions for you to be able to add or subtract them?
How do you simplify 5/7 + 8/7 - 3/7?
How do you combine fractions if they have different denominators?
How do you get common denominators and simplify 5/2 + 3/4 - 8/3?
How do you add and subtract mixed numbers?
How do you add 3 1/5 + 2 2/5?
How do you subtract 3 1/3 - 2 3/4?
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This lesson explains the concepts of getting a least common denominator and then adding and subtracting fractions. All steps to all practice problems are explained. Mixed numbers are also shown in some problems. This is a great review of adding and subtracting fractions.