Multiplying Fractions Quiz

1. Evaluate. Give your answer in simplest form.

8/27

1/1

2/3

Cross-canceling is sometimes not possible. In this problem there is no cross-canceling. You simply multiply all of your top numbers together to get your numerator and all of your bottom numbers together to get your denominator.

Explanation

About This Quiz

This quiz evaluates your skill at cross-canceling during fraction multiplication. You must complete this quiz for the results to be sent to your teacher.

2. This person made a mistake in their calculations. What is the correct answer?

2/3

200/3

20/3

You can never cross-cancel two numbers on the same level.

Explanation

You can never cross-cancel two numbers on the same level.

3. Evaluate using cross-canceling. Give your answer in simplest form.

20/15

15/20

1/3

4/3

The 10 in the numerator cross-cancels with the 5 in the denominator since 5 and 10 are both divisible by 5. The 10 becomes a 2 and the 5 becomes a 1.

Explanation

The 10 in the numerator cross-cancels with the 5 in the denominator since 5 and 10 are both divisible by 5. The 10 becomes a 2 and the 5 becomes a 1.

4. Evaluate using cross-canceling. Give your answer in simplest form.

13/207

3/6

1/2

207 and 207 cross-cancel and both become 1's. 13 and 13 cross-cancel and both become 1's. 3 and 6 cross-cancel. The 3 becomes a 1 and the 6 becomes a 2.

Explanation

207 and 207 cross-cancel and both become 1's. 13 and 13 cross-cancel and both become 1's. 3 and 6 cross-cancel. The 3 becomes a 1 and the 6 becomes a 2.

5. Which fraction would make this equation true?