Q: How do you find least common denominators of odd numbers?

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You need at least two denominators to find an LCD.

Because when you compare fractions with the same denominators, you do not have to find the least common denominator (LCM or LCD).

to find the least common multiple of two numbers you must list the factors then you can find out their least common multiple of the two numbers

You need at least to numbers to find a least common multiple.

You need at least two denominators to find something in common between them. If that's 3 and 2, the common denominator is 6..

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the denominators

Find the least common multiple. For example, if the denominators were 6 and 7, the least common multiple would be 42.

You need at least two denominators to find something in common between them.

You first find equivalent fractions whose denominators are a common multiple of the different denominators. Teachers like you to use the least common denominator: that is not necessary although it can result in your working with smaller numbers and so make things easier.

If the denominators are not the same, then you have to use equivalent fractions which do have a common denominator . To do this, you need to find the least common multiple (LCM) of the two denominators.

By using least common denominators when adding and subtracting fraction you get small numbers which are easy to perform operations on. On the other hand if you deal with common denominators which are excessively large, then you will find that operations are harder to perform. The one disadvantage of using LCD is that they can occasionally be difficult to find.

You can multiply the two denominators, or you can find the least common multiple for the two denominators.

When adding unlike fractions, find the LCM of the denominators and convert them to it.

You need at least two numbers to find something in common between them. The greatest common denominator of any set of denominators is infinite.

Find the LCM of the denominators. Since the LCM of 3 and 4 is 12, the least common denominator of 1/3 and 1/4 is 12.

You need at least two denominators to find an LCD.

You need at least two denominators to find something in common between them.