Add Unlike Fractions Using Equivalent Fractions and the Number Line

This video tutorial teaches how to add fractions and mixed numbers with unlike denominators using number lines. It begins with a review of adding fractions with like denominators, highlights common mistakes, and explains how to find common denominators. The tutorial uses number lines to model equivalent fractions, ultimately solving the problem of adding 1/3 and 3/4.

What does it mean to extend the number line when adding fractions?

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How do you convert 3/4 into an equivalent fraction with a denominator of 12?

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What is the final result when adding 1/3 and 3/4 using the common denominator method?

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