Adding Fractions

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What is a fraction?

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How do you add fractions with the same denominator?

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What is the least common denominator (LCD)?

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The least common denominator (LCD) is the smallest number that can be used as a common denominator for two or more fractions.

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How do you add fractions with different denominators?

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To add fractions with different denominators, first find the least common denominator (LCD), convert each fraction to an equivalent fraction with the LCD, and then add the numerators.

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What is an equivalent fraction?

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What does it mean to simplify a fraction?

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To simplify a fraction means to reduce it to its simplest form, where the numerator and denominator have no common factors other than 1.

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What is a mixed number?

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How do you convert an improper fraction to a mixed number?

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To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient is the whole number, and the remainder becomes the new numerator over the original denominator.

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