Understanding Negative Signs in Fractions

This video tutorial explains where to place the negative sign in fractions by exploring division. It reviews the rules for multiplying and dividing signed numbers, emphasizing that the result is positive if the signs are the same and negative if they differ. The tutorial clarifies the implication of negative symbols in fractions and provides examples of division problems with negative signs. It demonstrates that placing the negative sign in the numerator, denominator, or outside the fraction yields the same result. A rule is introduced for fractions with integer numerators and denominators, stating that the negative sign can be placed in any position without affecting the outcome.

What is the result when you multiply two negative numbers?

• Undefined

• Zero

• Positive

• Negative

If you have a negative sign in front of a number, what is it equivalent to?

• Adding 1

• Subtracting 1

• Multiplying by -1

• Dividing by 1

What is the result of dividing a positive number by a negative number?

• Zero

• Negative

• Positive

• Undefined

Where can the negative sign be placed in a fraction without changing the result?

• In front of the fraction, in the numerator, or in the denominator

• Only in the denominator

• Only in front of the fraction

• Only in the numerator

According to the rule for integers P and Q, which of the following is true?

• P/Q is always positive

• -(P/Q) is the same as -P/Q

• -P/Q is different from P/-Q

• P/Q is always negative