Fractions

Adding Fractions

100

1/2 + 1/5

7/10

200

2/3 + 1/6

5/6

300

3/10 + 1/6

7/15

400

3/5 + 1/3

14/15

500

1/3 + 4/18

5/9

Subtracting Fractions

100

1/2 - 1/3 =

1/6

200

3/4 - 1/3

5/12

300

7/10 - 1/2

1/5

400

4/9 - 1/6

5/18

500

5/7 - 2/3

1/21

Simplifying Fractions

100

3/6

1/2

200

3/9

1/3

300

8/72

1/9

400

21/28

3/4

500

33/55

3/5

Estimating Using Benchmarks

100

What are your fraction benchmarks?

0, 1/2, 1

200

Use benchmarks to solve

1/6 + 3/8

1/2

300

Use benchmarks to solve

7/8 - 5/6

0

400

Use benchmarks to solve

4/5 + 1/9

1

500

Use benchmarks to solve

1 8/9 + 4 8/10

7

Other

100

What is the top part of a fraction called

Numerator

200

What is the bottom part of a fraction called

Denominator

300

Change this improper fraction

11/4

2 3/4

400

Change this improper fraction

15/3

5

500

1/2 + 1/3 + 1/6

6/6 or 1