Common Denominator Worksheet - Dr Mike's Math Games for Kids

[Pages:20]Common Denominator Worksheet

Worksheet 1, Level 3

Put these over a common denominator :

Question 1

11 13

and

6 7

:

Question 2

5 16

and

9 14

:

Question 3

2 3

and

3 10

:

Question 4

3 7

and

8 15

:

Question 5

2 3

and

3 4

:

Question 6

4 7

and

3 14

:

Question 7

7 17

and

6 11

:

Question 8

1 3

and

7 15

:

Question 9

5 13

and

10 19

:

Question 10

7 10

and

9 13

:

Question 11

6 17

and

1 12

:

Question 12

1 2

and

1 9

:



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Common Denominator Worksheet

Worksheet 2, Level 3

Put these over a common denominator :

Question 1

1 11

and

1 2

:

Question 2

2 3

and

1 8

:

Question 3

5 13

and

3 4

:

Question 4

1 2

and

11 16

:

Question 5

3 5

and

6 11

:

Question 6

5 9

and

1 7

:

Question 7

5 16

and

4 9

:

Question 8

4 5

and

5 11

:

Question 9

9 10

and

3 4

:

Question 10

3 4

and

11 18

:

Question 11

3 5

and

6 17

:

Question 12

2 7

and

5 16

:



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Common Denominator Worksheet

Worksheet 3, Level 3

Put these over a common denominator :

Question 1

2 7

and

1 4

:

Question 2

1 5

and

1 2

:

Question 3

5 8

and

4 11

:

Question 4

7 9

and

3 8

:

Question 5

5 8

and

1 5

:

Question 6

11 20

and

11 14

:

Question 7

5 7

and

11 18

:

Question 8

3 5

and

3 7

:

Question 9

11 12

and

7 17

:

Question 10

6 11

and

6 7

:

Question 11

1 10

and

5 9

:

Question 12

11 21

and

11 19

:



All Rights Reserved

Common Denominator Worksheet

Worksheet 4, Level 3

Put these over a common denominator :

Question 1

1 7

and

8 17

:

Question 2

8 13

and

2 7

:

Question 3

5 6

and

11 17

:

Question 4

1 6

and

1 10

:

Question 5

1 4

and

7 18

:

Question 6

3 14

and

3 8

:

Question 7

8 13

and

7 18

:

Question 8

1 2

and

3 5

:

Question 9

3 13

and

3 4

:

Question 10

2 5

and

1 10

:

Question 11

3 4

and

11 19

:

Question 12

9 20

and

2 7

:



All Rights Reserved

Common Denominator Worksheet

Worksheet 5, Level 3

Put these over a common denominator :

Question 1

7 9

and

7 15

:

Question 2

1 8

and

1 2

:

Question 3

2 7

and

1 5

:

Question 4

1 12

and

2 3

:

Question 5

2 7

and

3 14

:

Question 6

1 3

and

4 7

:

Question 7

7 17

and

3 5

:

Question 8

7 15

and

5 16

:

Question 9

1 2

and

5 11

:

Question 10

11 17

and

1 3

:

Question 11

1 4

and

11 19

:

Question 12

5 6

and

3 14

:



All Rights Reserved

Common Denominator Worksheet

Worksheet 6, Level 3

Put these over a common denominator :

Question 1

1 5

and

7 11

:

Question 2

1 6

and

3 5

:

Question 3

3 14

and

7 8

:

Question 4

8 19

and

11 14

:

Question 5

5 7

and

8 15

:

Question 6

4 9

and

4 11

:

Question 7

2 5

and

3 4

:

Question 8

7 15

and

1 5

:

Question 9

8 11

and

1 3

:

Question 10

5 7

and

11 19

:

Question 11

1 2

and

2 13

:

Question 12

5 7

and

7 11

:



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Common Denominator Worksheet

Worksheet 7, Level 3

Put these over a common denominator :

Question 1

5 9

and

5 12

:

Question 2

1 2

and

3 13

:

Question 3

10 21

and

1 6

:

Question 4

10 19

and

9 10

:

Question 5

3 4

and

1 2

:

Question 6

11 18

and

5 11

:

Question 7

6 17

and

6 13

:

Question 8

2 3

and

3 5

:

Question 9

1 7

and

4 15

:

Question 10

1 3

and

5 8

:

Question 11

8 13

and

5 14

:

Question 12

3 7

and

1 3

:



All Rights Reserved

Common Denominator Worksheet

Worksheet 8, Level 3

Put these over a common denominator :

Question 1

3 10

and

11 17

:

Question 2

7 17

and

3 5

:

Question 3

9 14

and

1 2

:

Question 4

3 8

and

8 15

:

Question 5

1 2

and

5 9

:

Question 6

5 16

and

8 11

:

Question 7

2 13

and

1 3

:

Question 8

4 15

and

5 9

:

Question 9

11 19

and

7 12

:

Question 10

4 11

and

11 19

:

Question 11

1 5

and

1 6

:

Question 12

7 18

and

2 7

:



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