Least Common Denominator Compare Fractions

Find the common denominator to compare fractions.

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• >

• =

Find the common denominator to compare fractions.

• <

• >

• =

Find the common denominator to compare fractions.

• <

• >

• =

Find the common denominator to compare fractions.

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• >

• =

What is the least common denominator? 5/6 , 2/3

• 3

• 6

• 18

What is the least common denominator? 5/6, 3/5

• 6

• 5

• 30

• 60

What is the least common denominator? 6/7, 3/14

• 7

• 14

• 21

The ____________ is the least common multiple of the denominators of the fractions.

• least comon denominator (LCD)

• least common multiple (LCM)

• greatest common factor (GCF)

What is the least common denominator of 1/9 and 2/3?

• 6

• 3

• 9

• 21

Mrs.Stone wrote the following list of fractions on the board. 
4/6, 1/3, 3/4, 7/8
Order them from least to greatest.  Remember to find a common denominator!

• 7/8, 3/4, 4/6. 1/3

• 1/3, 4/6,  3/4, 7/8

• 4/6, 7/8, 3/4, 1/3

• 1/3, 7/8, 4/6, 3/4