Adding and Subtracting Fractions

Equivalent Fractions

100

Common denominator for 3/5 and 7/10

What is 10

200

Common denominator for 5/6 and 7/18

What is 18

300

Equivalent fractions for 2/3 and 5/6

What is 4/6 and 5/6

400

Equivalent fractions for 7/8 and 5/24

What is 21/24 and 5/24

500

Equivalent fractions for 3/7 and 1/4

What is 12/28 and 7/28

Add Fractions

100

1/8 + 1/16

What is 3/16

200

2/5 + 3/10

What is 7/10

300

Estimate 11/12 + 1/10

What is 1+0=1

400

1/9 + 5/6

What is 17/18

500

1/12 + 3/8

What is 11/24

Subtract Fractions

100

5/6 - 2/3

What is 1/6

200

1/2 - 1/8

What is 3/8

300

Estimate 9/10 - 1/5

What is 1-0=1

400

5/8 - 1/6

What is 11/24

500

11/12 - 1/10

What is 49/60

Add Mixed Numbers

100

2  5/6 + 1  5/6

What is 4  4/6 or 4  2/3

200

2  3/10 + 2  4/5

What is 5  1/10

300

7  1/3 + 8  7/9

What is 16  1/9

400

2  1/4 + 5  11/12

What is 8  2/12 or 8  1/6

500

8  4/10 + 2  3/5

What is 11

Subtract Mixed Numbers

100

6  3/4 - 5  1/2

What is 1  1/4

200

5  5/8 - 3  1/4

What is 2  3/8

300

7  5/6 - 3  2/3

What is 4  1/6

400

7  2/3 - 5  11/12

What is 1  9/12 or 1  1/4

500

12  1/4 - 7  1/2

What is 4  3/4