Unit 6: Part 2

Vocabulary

100

What is the inverse (reciprocal) of 3/5?

5/3

200

What operation uses the inverse of the second fraction?

Dividing

300

True or False: When dividing fractions, you multiply by the reciprocal.

True

400

What is the only time you cross-simplify when working with fractions?

Multiplying 

500

What type of fraction should you create before multiplying mixed numbers?

Improper fractions

Simplifying Fractions

100

Is 6/8 simplified? If not, then simplify.

3/4

200

Simplify 12/18

2/3

300

True or False: 9/10 is simplest form

True

400

Simplify 75/100

3/4

500

Which fraction is in simplest form 4/6, 7/8, 10/20?

7/8

Adding and Subtracting

100

1/4 + 1/5 =

9/20

200

3/5 - 1/10 =

5/10 or 1/2

300

True or False: You only need to find common denominators when you add

False

400

1 4/5 + 3 5/10

5 3/10

500

5 1/7 - 3 4/14

1 6/7

Multiplying

100

2/3 x 3/4

1/2

200

True or False: You need to find a common denominator when multiplying. 

False

300

Convert to 1 1/2 to an improper fraction. 

3/2

400

2 2/3 x 2/3

1 7/9

500

5/6 x 10/12

25/36

Dividing

100

What is the reciprocal of 4/7?

7/4

200

3/4 (÷) 1/2

1 1/2

300

What step comes first when dividing?

Find the inverse fraction

400

4/5 (÷) 8/15

1 1/2

500

2 1/5 (÷) 4 1/6

66/125