Fraction Operations

When multiplying fractions, you need to find a common denominator.

When adding fractions, you need to find a common denominator.

When subtracting fractions, you need to find a common denominator. (correct)

When adding fractions, you need to find a common numerator.

When adding fractions, you multiply the numerators and the denominators.

When multiplying fractions, you add the numerators and the denominators.

When subtracting fractions, you multiply the numerators and the denominators.

When multiplying fractions, you multiply the numerators and the denominators. (correct)

Mixed numbers can be easily added or subtracted without converting them to improper fractions.

Mixed numbers can be multiplied without converting them to improper fractions.

Mixed numbers can only be multiplied by converting them to improper fractions.

Mixed numbers can only be added or subtracted by converting them to improper fractions. (correct)