Rational Numbers - Multiplying and Dividing

When multiplying two fractions, take the inverse of the second fraction and then multiply straight across.

Two negatives multiplied together will make an even more negative number

A positive multiplied by a negative will always result in a negative number

When multiplying two fractions, a common denominator is not necessary: simply multiply straight across

Two negatives multiplied together always result in a positive number

A positive multiplied by a negative will always result in a positve number