Fractions

Fractions

100

What is the top number of the fraction called?

Numerator 

200

What is the bottom number of the fraction called?

Denominator 

300

What do you need to do to add or subtract fractions?

Make the denominators the same 

400

How do you multiply fractions?

Multiply across. 

500

What are the THREE key words when diving fractions?

Keep, Switch, Flip 

Adding Fractions

100

1/6 + 3/6

2/3

200

2/8 + 1/3

7/12

300

2/10 + 3/5

4/5

400

1/5 + 6/8

19/20

500

7/9 + 1/5

44/45

Subtracting Fractions

100

5/7 - 3/7 

2/7

200

5/7 - 2/3

1/21

300

6/7 - 2/6 

11/21

400

6/10 - 4/8

1/10

500

7/11 - 1/3

10/33

Multiplying Fractions

100

^{1/3 x 2/3}

2/9

200

3/4 x 2/3

1/2

300

5/7 x 5/7

25/49

400

7/10 x 5/5

7/10

500

8/9 x 7/10

56/90

Dividing Fractions

100

1/3 ÷ 6/9

1/2

200

3/8 ÷ 7/8

3/7

300

2/5 ÷ 1/2

4/5

400

5/10 ÷  6/12

1

500

8/10 ÷ 2/5

2