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The least common denominator (LCD) refers to a multiple that is COMMON to two or more numbers. You have only one number in the question! The least denominator for a number is itself.

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20

Q: What is the least common denominator for 4 and 10?

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It is: 100

The LCD for 3/4 and 1/10 is 20

The least common denominator is the smallest whole number that can be divisible by two numbers. 4: 4, 8 8: 8 8 is the least common denominator for 4 and 8.

12

The least common multiple of 68 is 2. if u what to divide the number than the least common denominator will be 4.

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A common denominator, though not the least, is 40.

60 is the least common denominator of 3 4 5 6 10 and 15.

It is: 100

It is: 180

It is: 180

20

120

The least common denominator for 4 5 and 11 is 1.

The least common denominator is 340.

The common denominator is 28.

A common denominator, though not the least, is 7500.

The Least (or Lowest) Common Multiple (LCM) is the smallest number that is a multiple of both numbers. For example: the LCM of 10 and 4 is 20, because both 10 and 4 go into 20 and 20 is the smallest number both 10 and 4 can go into. To be able to add or subtract fractions they must have the same denominator. If the denominators are different then the fractions must first be converted into equivalent fractions with a common denominator; any common denominator can be used, but by using the Least Common Multiple of the denominators as the new denominator it keeps the numbers smaller; this smallest denominator is known as the Least Common Denominator Thus the Least Common Denominator is the Least Common Multiple of the denominators of two (or more) fractions (used when adding or subtracting fractions with different denominators). As the Least Common Multiple is used most often with adding or subtracting fractions, it is often referred to as the Least Common Denominator (because the numbers being considered are usually denominators of fractions).