Solutions to Problem Set 16

Math 101-06

10-16-2017

[Multiplying and dividing fractions]

1. Multiply the fractions, cancelling any common factors, and write your answer using positive powers:

2. Multiply the fractions, cancelling any common factors:

3. Multiply the fractions, cancelling any common factors:

4. Multiply the fractions, cancelling any common factors:

5. Divide the fractions and simplify so your answer contains only positive powers:

6. Divide the fractions, cancelling any common factors:

So

7. Divide the fractions, cancelling any common factors:

8. Divide the fractions, cancelling any common factors:

Now flip the bottom fraction over and multiply, then factor and cancel:

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