Multiply/Divide Rational #'s (Fractions)

Front

What is the result of multiplying two negative numbers?

Back

The result is a positive number.

Front

How do you determine the number of batches made if each batch uses 1/8 of a pound and a total of 4/5 of a pound is used?

Back

Divide 4/5 by 1/8, which equals 6 2/5 batches.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

What is the product of -4/3 and 2/7?

Back

The product is -8/21.

Front

If a plant grows 1/4 cm every day for 21 days, how do you calculate the total growth?

Back

Multiply 1/4 by 21, which equals 5 1/4 cm.

Front

What is the rule for dividing fractions?

Back

To divide fractions, multiply by the reciprocal of the divisor.

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator.

Front

How do you simplify the fraction -8/21?

Back

The fraction -8/21 is already in its simplest form.

Front

What is the process for multiplying fractions?

Back

Multiply the numerators together and the denominators together.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.