Show:
Fraction Rules
Multiplying Fractions
Multiplying Mixed Numbers
Dividing Fractions
Converting Improper Fractions and Mixed Numbers
100

What step  is used to simplify fractions when multiplying or dividing?

What is pull out common factor or LCF.

100

2/3 * 4

8/3 or 2 2/3

100

1 1/2 * 5

7 1/2

100

What is the reciprocal of 

11/8

8/11

100

2 2/5 

12/5

200

How do we change a whole number into a fraction?

Put a 1 in the denominator, or put it over 1.

200

3/5 * 8

24/5 or 4 4/5

200

3 2/5 *  1/7

1/2

200

1/8 -: 3

1/24

200

12/3

4

300

3 word phrase to help us with dividing fractions.

Keep - Change - Flip

300

4 * 7/8

7/2 or 3 1/2

300

1 1/3 * 1 1/4

1 2/3 

300

6 -: 1/8

48

300

41/10

4 and 1/10

400

When dividing fractions, the change step changes into what?

What is multiplying or multiplication?

400

5/12 * 9

15/4 or 3 3/4

400

2 1/3 * 5 1/4

12 1/4

400

1/2 -: 5

1/10

400

6 6/7 

48/7

500

What should you do first to mixed numbers when multiplying or dividing fractions?

Convert/ change them to improper fractions.

500

2/9 * 3/8

1/12

500

2 2/3 *  1/4

2/3

500

1/12 -: 3

1/36

500

35 1/4 

141/4