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 subtract two rational numbers?

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To subtract two rational numbers, convert them to a common denominator if they are fractions, and then subtract the numerators while keeping the denominator the same.

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

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Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

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What is the definition of a negative number?

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A negative number is a number that is less than zero, often used to represent a loss or a decrease.

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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 by dividing the numerator and the denominator by their greatest common divisor.