Adding Fractions w/o Common Denominators

This video tutorial teaches how to add fractions without common denominators. It explains the importance of having the same denominator when adding or subtracting fractions and demonstrates how to find a common denominator through multiplication. The tutorial includes example problems to illustrate the process, including handling negative fractions. The lesson concludes with a summary of the key points covered.

What is the first step to add fractions with different denominators?

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Explain how to find a common denominator for two fractions.

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What do you do to the numerators when you multiply the denominators to find a common denominator?

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How do you simplify the result after adding or subtracting fractions?

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What is the final result when adding -7/15 and 12/15?

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