Rational Number Operations

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

The sum of two negative rational numbers is always negative.

The result can be positive, negative, or zero, depending on the absolute values of the numbers.

Subtracting a negative number is the same as adding its absolute value.

The product of two negative rational numbers is always positive.

The product of a positive rational number and a negative rational number is always negative.

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

To subtract fractions, ensure they have a common denominator, then subtract the numerators and keep the common denominator.

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