1
2
3
4
100

The least common denominator for 3/4 and 5/6.

What is 12?

100

A common denominator for 2/5 and 3/7.

What is 35?

100

The least common denominator of 1/8 and 3/10.

What is 40?

100

30 is a common denominator for 2/3 and 1/5. True or false?

What is true?

200

The least common denominator of 5/6 and 7/8.

What is 24?

200

The least common denominator of 3/10 and 4/15.

What is 30?

200

A common denominator for 2/9 and 5/12.

What is 36?

200

A student says 24 is a common denominator for 1/3 and 1/4. Are they correct?

What is yes?

300

The least common denominator of 7/12 and 5/18.

What is 36?

300

The least common denominator of 5/12 and 3/8.

What is 24?

300

A common denominator for 7/9 and 2/15.

What is 45?

300

The least common denominator of 4/7 and 3/14.

What is 14?

400

A common denominator for 5/6 and 2/9.

What is 18?

400

The least common denominator of 7/10 and 5/12.

What is 60?

400

A common denominator for 11/16 and 7/24.

What is 48?

400

The least common denominator of 9/14 and 5/21.

What is 42?

500

A common denominator for 13/16 and 5/24.

What is 48?

500

The least common denominator of 7/20 and 9/15.

What is 60?

500

A common denominator for 8/15 and 13/18.  

What is 90?

500

The least common denominator of 5/12 and 7/20.

What is 60?

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