Multiplying and Dividing Fractions

Front

What is the formula to calculate distance when speed and time are known?

Back

Distance = Speed x Time

Front

How do you multiply fractions?

Back

Multiply the numerators together and multiply the denominators together.

Front

What is the result of multiplying 1/4 by 1/2?

Back

1/8

Front

How do you divide fractions?

Back

Multiply by the reciprocal of the divisor.

Front

What is the reciprocal of 3/4?

Back

4/3

Front

If a sloth moves at 1/20 meter per second, how far does it move in 5 seconds?

Back

5 x 1/20 = 1/4 meter.

Front

If each person in a family of 5 gets 7/8 cup of pudding, how much pudding is needed in total?

Back

5 x 7/8 = 35/8 = 4 3/8 cups.

Front

What is the relationship between division and multiplication of fractions?

Back

Dividing by a fraction is the same as multiplying by its reciprocal.

Front

What is 9/10 ÷ 2/5 expressed as a multiplication?

Back

9/10 x 5/2.

Front

What is the first step in solving a fraction multiplication problem?

Back

Identify the numerators and denominators.