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

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Q: How can finding the least common multiple of two numbers help you add fractions?
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How is finding the least common multiple of two numbers helpful to adding fractions?

When those two numbers are the denominators of unlike fractions, finding the LCM (in this case, the LCD or least common denominator) and converting the unlike fractions to equivalent fractions with the same denominator will allow you to add and subtract them.


What is the least common denominator for the fractions 5656 and 3838?

There doesn't appear to be any fractions there but to find the LCD of fractions is done in the same way as finding the lowest common multiple of numbers.


What is the upside down birthday cake method in math?

It is a method of finding the LCM (Least Common Multiple) of 2 or more numbers. Suitably used for finding the least common denominator when adding/subtracting fractions.


What information does the least common multiple of two numbers provide in a problem?

When adding or subtracting fractions with different denominators the lowest common denominator is needed and is found by finding the lowest common multiple of the denominators.


When adding or subtracting two fractions with denominators that are not equal what is the first step you take?

The first step to take is find the lowest common denominator of the fractions which can be done by finding the lowest common multiple of the numbers.


What is the purpose of finding the least common multiple?

The process of finding the LCM is the same as that of finding the least common denominator, which is necessary in the adding and subtracting of fractions.


What information does the least common multiples of two numbers provide in a problem?

When adding or subtracting fractions with different denominators their lowest common denominator must be found and this is done by finding their lowest common multiple


How does finding the least common multiple help you add fractions?

Because when adding or subtracting fractions the denominators must have the same values


How do you subtract fractions with different denominators?

By finding their lowest common denominator by means of their lowest common multiple


How can knowing the greatest common factor and lowest common factor help when you add subtract and multiply fractions?

The least common factor of any set of numbers is 1, so that doesn't help at all. Finding the GCF of the numerator and denominator and dividing them by it will help to simplify a fraction. Finding the least common multiple of the denominators (called the least common denominator) will help when you add and subtract fractions. None of those are needed to multiply fractions.


What is accomplished by factoring?

Reducing fractions to their lowest terms by finding their highest common factor of the numerator and denominator When adding or subtracting fractions with different denominators by finding their lowest common multiple


What are the steps in finding the least common multiple of two numbers?

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


How do you add rational numbers?

By finding their common denominator & adding the top numbers of-the fractions. : )


Why can the least common multiple help you add fractions?

When adding unlike fractions, it is necessary to find a common denominator. The process of doing that is the same as finding an LCM.


Why is it important to know the least common multiple?

It is not.It is necessary to be able to find a common multiple of a set of numbers to add or subtract them. However, it is not necessary for that to be the least common multiple (LCM). The LCM will mean that the numbers in the calculations are as small as they can be but, if you don't mind working with larger numbers, it does not matter if it is not LCM.


Why is it helpful to write a number as a product of prime?

When adding or subtracting fractions with different denominators finding the prime product of each denominator helps in finding the lowest common denominator of the given fractions by their lowest common multiple.


What types of problems can be solved using the greatest common factor and what types of problems can be solved using the least common multiple.?

Finding the GCF will help in simplifying fractions. Finding the LCM will help in adding and subtracting fractions.


Why is finding the least common multiple important?

It will help when you are trying to add and subtract fractions.


What is the common denononator?

In fractions, the denominator is the bottom number. When adding or subtracting fractions, it is helpful if all the denominators are the same. To do this, we look for common denominators, which is the same process as finding the least common multiple.


What is the purpose of using lowest common multiple?

Finding the LCM helps you add and subtract fractions accurately.


What is a sentence for least common multiple?

The least common multiple of 6 and 9 is 18.


What is the definition forEquivalent fractions?

The least number that is a common multiple of two or more numbers


What is the least common multiple of 2 third?

The LCM refers to whole numbers, not fractions.


What is the first step to finding the lowest common denominator of two fractions?

The first step in finding the lowest common denominator of two fractions is to multiply the two denominators. Then you see if there are any smaller numbers that are divisible by both denominators.


How does the least common multiple of two numbers help you addย fractions?

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

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