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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. To add fractions with unlike denominators, rename the fractions with a common denominator. Then add and simplify.

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shanshan Jiang

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βˆ™ 2021-08-30 20:29:50
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βˆ™ 2012-06-14 05:33:22

When adding unlike fractions, find the lowest common denominator, convert them to like fractions and proceed with the addition.

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Q: Adding unlike fractions
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Related questions

What is the definition of adding and subtracting fractions with unlike denominators?

What is the definition of Adding and Subtracting Like Fractions


Does the denominator have to be the same when adding a fraction?

When adding two or more unlike fractions, yes.


How is adding like fractions and adding unlike fractions the same?

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. To add fractions with unlike denominators, rename the fractions with a common denominator. Then add and simplify.


What problems can be solved using LCM?

Adding and subtracting unlike fractions


What must you do first before adding or subtracting unlike fractions?

you must make the fractions equivalent and with the same denomenator


When do you use LCM?

When you are trying to add or subtract unlike fractions.


When can you use common multiples and factors?

Use the LCM when you are adding and subtracting unlike fractions. Use the GCF when you are simplifying fractions.


Adding and subtracting unlike fractions steps?

first u find a common denominator


Why is it important to find the least common multiple?

It will help when adding or subtraction unlike fractions.


What problems can be solved using Least common multiple?

Adding and subtracting unlike fractions.


How do you solve a fraction problem when you don't have the same denominator?

If you are adding or subtracting unlike fractions, convert them to equivalent fractions with a common denominator.


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

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

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