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 find the distance between two numbers on a number line?

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To find the distance between two numbers, subtract the smaller number from the larger number and take the absolute value of the result.

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What is the absolute value of a number?

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The absolute value of a number is its distance from zero on the number line, regardless of direction. It is always a non-negative value.

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How do you add two rational numbers with different denominators?

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To add two rational numbers with different denominators, find a common denominator, convert the fractions, and then add the numerators.

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How do you subtract a negative number from a positive number?

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Subtracting a negative number is the same as adding its positive counterpart.