Common Denominator Worksheet - dr-mikes-math-games …

Common Denominator Worksheet

Worksheet 1, Level 1

Put these over a common denominator :

Question 1

3 5

and

4 7

:

Question 2

1 3

and

1 2

:

Question 3

1 5

and

2 3

:

Question 4

1 5

and

1 3

:

Question 5

3 7

and

1 4

:

Question 6

3 7

and

1 2

:

Question 7

2 5

and

4 7

:

Question 8

1 2

and

1 3

:

Question 9

1 2

and

2 5

:

Question 10

1 2

and

1 4

:

Question 11

1 3

and

1 4

:

Question 12

1 2

and

4 5

:



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Common Denominator Worksheet

Worksheet 2, Level 1

Put these over a common denominator :

Question 1

1 5

and

1 2

:

Question 2

4 5

and

1 3

:

Question 3

1 4

and

1 2

:

Question 4

1 2

and

2 5

:

Question 5

1 3

and

4 5

:

Question 6

1 3

and

1 2

:

Question 7

2 3

and

3 5

:

Question 8

1 2

and

1 5

:

Question 9

1 4

and

4 5

:

Question 10

2 3

and

3 4

:

Question 11

2 3

and

1 2

:

Question 12

4 7

and

3 4

:



All Rights Reserved

Common Denominator Worksheet

Worksheet 3, Level 1

Put these over a common denominator :

Question 1

1 3

and

1 2

:

Question 2

1 5

and

2 3

:

Question 3

1 2

and

2 3

:

Question 4

1 2

and

1 5

:

Question 5

2 3

and

1 5

:

Question 6

3 4

and

2 3

:

Question 7

1 2

and

2 3

:

Question 8

1 2

and

1 3

:

Question 9

4 5

and

1 3

:

Question 10

1 4

and

3 7

:

Question 11

1 3

and

1 2

:

Question 12

1 4

and

4 5

:



All Rights Reserved

Common Denominator Worksheet

Worksheet 4, Level 1

Put these over a common denominator :

Question 1

1 5

and

1 4

:

Question 2

3 5

and

1 4

:

Question 3

2 3

and

1 2

:

Question 4

2 5

and

1 3

:

Question 5

2 3

and

3 4

:

Question 6

1 2

and

1 5

:

Question 7

3 5

and

1 2

:

Question 8

1 3

and

4 7

:

Question 9

1 4

and

2 3

:

Question 10

4 7

and

1 3

:

Question 11

3 5

and

2 3

:

Question 12

2 3

and

3 7

:



All Rights Reserved

Common Denominator Worksheet

Worksheet 5, Level 1

Put these over a common denominator :

Question 1

1 5

and

1 2

:

Question 2

4 5

and

1 2

:

Question 3

1 3

and

4 7

:

Question 4

1 2

and

2 3

:

Question 5

3 7

and

2 5

:

Question 6

1 4

and

1 2

:

Question 7

4 7

and

3 4

:

Question 8

1 2

and

2 3

:

Question 9

1 3

and

1 2

:

Question 10

4 5

and

1 3

:

Question 11

2 3

and

1 2

:

Question 12

3 4

and

1 3

:



All Rights Reserved

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