Multiplying Rationals

Front

What is a rational number?

Back

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

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is positive.

Front

What is the product of a positive number and a negative number?

Back

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

Front

How do you multiply fractions?

Back

To multiply fractions, multiply the numerators together and the denominators together.

Front

What is the result of multiplying 5/6 by 2/3?

Back

5/6 * 2/3 = 10/18 = 5/9 after simplification.

Front

What is the product of (-3.9) and (-2.8)?

Back

(-3.9) x (-2.8) = 10.92.

Front

What is the product of (-4.2) and (-5)?

Back

(-4.2)(-5) = 21.

Front

What is the product of (2.5) and (-1.2)?

Back

(2.5)(-1.2) = -3.

Front

If you multiply an even number of negative fractions, what will the sign of the answer be?

Back

The sign of the answer will be positive.

Front

If you multiply an odd number of negative fractions, what will the sign of the answer be?

Back

The sign of the answer will be negative.