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To add and subtract fractions, you need common denominators. To find the common denominator, find the LCM of the denominators you wish to add or subtract.

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Q: How is finding the LCM revelant when adding and subtracting fractions?

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Finding the LCM helps in the process of adding and subtracting unlike fractions.

Finding the LCM will make adding and subtracting fractions easier.

What is the definition of Adding and Subtracting Like Fractions

Finding the LCM helps in the process of adding and subtracting unlike fractions.

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

Subtracting a fraction is the same as adding its negative.

When adding or subtracting fractions their denominators must be the same

Ensure that the denominators are the same when adding or subtracting fractions.

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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.

When adding and subtracting unlike fractions, it is necessary to find the LCM of the denominators, called the least common denominator. Once you have found the LCD, you can convert the fractions to equivalent fractions with a common denominator and proceed with the adding and/or subtracting. Finding an LCM will have no effect on multiplying fractions.

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