6th Grade Fractions

Adding Fractions

100

5/11 + 3/11 + 2/11

10/11

200

3/4 + 2/4 + 1/4

6/4 = 3/2 = 1 1/2

300

7/3 + 1/6

15/6 = 5/2 = 2 1/2

400

2/5 + 3/10 + 1/2

12/10 = 6/5 = 1 1/5

500

2 2/5 + 3/10

27/10 = 2 7/10

Subtracting Fractions

100

7/9 - 4/9 - 2/9

1/9

200

8/5 - 2/5

6/5 = 1 1/5

300

5/12 - 1/4

2/12 = 1/6

400

9/10 - 1/5 - 1/2

2/10 = 1/5

500

3 2/3 - 5/6

17/6 = 2 5/6

Multiplying Fractions

100

3 x 1/5

3/5

200

5/3 x 2/3

10/9 = 1 1/9

300

2/7 x 3/4

6/28 = 3/14

400

5/2 x 3/5

15/10 = 3/2 = 1 1/2

500

2 1/4 x 2/3

18/12 = 3/2 = 1 1/2

Dividing Fractions

100

5/7 ÷ 2

5/14

200

1/5 ÷ 1/6

6/5 = 1 1/5

300

2/7 ÷ 4/3

6/28 = 3/14

400

4/9 ÷ 2/5

20/18 = 10/9 = 1 1/9

500

5 1/2 ÷ 3/5

55/6 = 9 1/6

GCF and LCM

100

Find the LCM of 2 , 3 and 5

30

200

Find the GCF of 25 and 75

25

300

Find the LCM of 6, 8 and 12

24

400

Find the GCF of 42 and 147

21

500

Find the GCF and LCM of 6, 12 and 18

GCF = 6 and LCM = 36