9)Simplify Fractions

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What is a fraction?

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A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

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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 lowest terms, where the numerator and denominator have no common factors other than 1.

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What is the greatest common divisor (GCD)?

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The GCD is the largest number that divides two or more numbers without leaving a remainder.

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How do you find the GCD of 12 and 42?

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List the factors of each number: Factors of 12 are 1, 2, 3, 4, 6, 12; Factors of 42 are 1, 2, 3, 6, 7, 14, 21, 42. The GCD is 6.

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What is a proper fraction?

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A proper fraction is a fraction where the numerator is less than the denominator.