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There is none because Least Common Denominator (or LCD) refers to the Least Common Multiple (LCM) of the denominators of two or more fractions or mixed numbers. Even if you converted your whole numbers (x) to their fraction equivalents (x/1), the LCD would always be 1.

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The least common denominator for 12, 15, and 22 is 660.

Q: What is the least common denominator for 12 and 15 and 22?

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A common denominator, though not the least one, is 180.

60

The least common denominator is 120.

A common denominator, though not the least, is 150.

Answer: 30 If those numbers are denominators, the least common denominator is the least common multiple of the three. In this case, 30 is the LCM of 6, 10 and 15, so 30 is the least common denominator.

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A common denominator, though not the least one, is 180.

420

60 I think

60

LCD(15, 12, 4) = 60.

The least common denominator (LCD) is 1.

the least common multiple of 15,9,and 12 is 180.

For 7/12 and 7/15 the LCD is 60.

The least common denominator is 120.

A common denominator, though not the least, is 150.

15

Answer: 30 If those numbers are denominators, the least common denominator is the least common multiple of the three. In this case, 30 is the LCM of 6, 10 and 15, so 30 is the least common denominator.