Adding and Subtracting Rational Numbers

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What is a rational number?

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A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

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How do you add two rational numbers with the same denominator?

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How do you subtract two rational numbers with the same denominator?

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What is the process for adding rational numbers with different denominators?

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To add rational numbers with different denominators, first find a common denominator, convert each fraction, and then add the numerators.

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What is the process for subtracting rational numbers with different denominators?

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To subtract rational numbers with different denominators, find a common denominator, convert each fraction, and then subtract the numerators.

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What does it mean to have a negative rational number?

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How do you interpret a negative temperature?

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A negative temperature indicates a temperature below zero, often used in contexts like weather, where it represents degrees below freezing.

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What is the absolute value of a number?

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How do you find the distance between two points on a number line?

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