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When reducing fractions to their lowest terms or finding the LCD of fractions

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What number is missing in the fractions to have a LCD of 120?

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Q: When is it useful to know multiples of a number?
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When is it useful to know about factors and multiples?

It is always useful to know about factors and multiples.


Describe a situation where it is useful to know about factors and multiples?

When taking algebra tests.


What clues let you know that a number is not prime?

You know a number is not prime when the multiples are not limited to that number and 1.


When is it useful to use factors and multiples?

Factors are useful when you're trying to reduce fractions. Multiples are useful when you're trying to find a least common denominator.


What are multiples of 100?

The Multiples of 100 is 100,200,300,400,500,600,700,800,900 and so on. If your doing multiples from 1 to 100 then the only multiple of 100 is 100. Multiples Definition = A number Multiples by a number to = A number For example - I need to know the multiples of 7 7 X 1 = 7 7 X 2 = 14 ... and so on The products of the numbers are called multiples.


A common multiple of two or more fractions?

Any number can be a common multiple of two or more fractions. The concept of common multiples is useful only in the context of multiples of integers.


How are common multiples useful?

They are useful in finding the least common denominators.


Multiples of one number that are also multiples of another number?

Common Multiples.


Multiples of one number that are also multiples of another number is?

common multiples


Does a number have more multiples or factors?

Multiples. Numbers have an infinite number of multiples.


What is multiples of one number that are also multiples of another number?

common multiples


How many multiples can a number have?

A number can have an infinite number of multiples since multiples are obtained by multiplying the number by a whole number.