Q: What is the least common denominator of 2 5 7 and 9?

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A common denominator, though not the least, is 30.

60

You need at least one more fraction in order to have a common denominator.

At least two fractions are needed to determine a common denominator.

The LCD of 2/3 and 4/5 is 15.

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Sir/Ma'am, denominator are fractions, so the is no common denominator. But the least common multiples is 30

A common denominator, though not the least, is 30.

ten

The least common denominator of 2, 5 and 7 is 70. Since all those numbers are prime, the answer is their product.

A common denominator, though not the least one, is 120.

What is the least common denominator? For one over five and 3/6

20

10

The least common denominator is 60.

Least common denominator of 7 and 5 is 35.

At least two fractions are needed to answer this.

LCD of 5, 9 and 2 = 90