Multiplying Fractions

Fraction Multiplication

• Here are some fraction multiplication problems

• Can you tell how to multiply fraction from these examples?

4 1 45 7 35

6 4 245 10 50

2110

75

32

3 5 154 12 48

1 1 13 3 9

2 5 103 1 3

Multiplying Fractions by fractions

• Multiplying fractions ain’t no problem…….

top x topand

bottom x bottom Always reduce

the answer if you can

— x —185

3

Practice problems

— x —132

2

Practice problems

Multiplying Fractions by whole numbers

• Change the whole number to a fraction

• How do you change a whole number into a fraction?????

• Put a one under it!!!!

— x 1 128

Practice problems

9 x —94

Practice problems

— x —254

3

Board problems

6 x —21

Board problems

— x —331

7

Board problems

9 x —52

Board problems

— x —141

4

Board problems

— x 234

Board problems

— x —8103

9

Board problems

— x 678

Board problems

— x —141

8

Board problems

5 x —83

Board problems

— x —487

7

Board problems

— x 814

Board problems

— x —686

8

Board problems

3 x —97

Board problems

— x —391

5

Board problems

— x 1056

Board problems

— x —321

8

Board problems