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Q: How do you use a factor tree to find a Least Common Denominator?

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find the lowest factor that equals the numerator and denominator.

If you're wanting to find a common denominator between fractions with denominators of 3 and 2, then 3 & 2 have only a common factor of 1, so the least common denominator = 2*3 = 6

You need at least two numbers to find a common denominator.

You need at least two fractions to find a common denominator.

When comparing fractions you must find a common denominator; by finding the least common denominator it will keep the numbers (numerators and denominator) smaller .

The least common denominator is 144.

least common denominator is nothing but least common multiple of denominators.

Pick two of the fractions and find the Least Common Multiple of those two denominators. Then take that number, and find the Least Common Multiple between that and the third denominator. This number will be the Least Common Denominator between the three fractions.If you don't care to find the Least common denominator, then just take the three denominators, and multiply them together.

That's one fraction. You need at least two to find something in common between them.

You look at multiples of the numbers on the denominator and usually use the least common multiple.

butt Assuming these are two denominators in some problem, the least common denominator would be 17x18 = 306. (because you can find a factor 2 inside 18 to go with 17 to make 34)

You write 8 over 100: 8/100. To simplify, look for a common factor between the numerator and the denominator. If you find any, divide numerator and denominator by the common factor. Repeat, until you find no more common factors.You write 8 over 100: 8/100. To simplify, look for a common factor between the numerator and the denominator. If you find any, divide numerator and denominator by the common factor. Repeat, until you find no more common factors.You write 8 over 100: 8/100. To simplify, look for a common factor between the numerator and the denominator. If you find any, divide numerator and denominator by the common factor. Repeat, until you find no more common factors.You write 8 over 100: 8/100. To simplify, look for a common factor between the numerator and the denominator. If you find any, divide numerator and denominator by the common factor. Repeat, until you find no more common factors.

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