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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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โˆ™ 2021-08-30 20:35:43
This answer is:
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Darwin Grant

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โˆ™ 2021-09-01 10:06:03
good answer, thx!
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โˆ™ 2015-10-31 10:25:06

Adding fractions is achieved by adding the numerators as long as the denominators are the same. When the denominators are the same the fractions are "like fractions".

With different denominators they are "unlike fractions"; to be able to add them they need to be converted in to equivalent fractions with the same denominators. They are then "like fractions" and can be added.

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โˆ™ 2015-10-30 11:28:03

To add unlike fractions - fractions with different denominators - you first convert the fractions so they have the same denominator. After that, it's exactly the same as adding fractions which have the same denominator from the start.

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Q: How is adding like fractions and adding unlike fractions the same?
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What are like and unlike fractions?

Like fractions are the fractions which have the same denominator and unlike fractions are the fractions which do not have the same denominator.


How are like fractions and unlike fractions different?

Like fractions have the same denominator, unlike fractions don't.


Adding unlike fractions?

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.


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

When adding two or more unlike fractions, yes.


What do like and unlike fractions mean?

Like fractions have the same denominators (bottom part of fraction), unlike fractions do not.


Do you add and subtract like and unlike fractions in the same way?

no, to add and subtract like and unlike fractions the denominator has to be the same,


What the difference between like and unlike fraction?

fractions having same denominators are like fractions & others are unlike fractions


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

you must make the fractions equivalent and with the same denomenator


What way is subracting fractions with unlike denominators like adding fractions with unlike denominators?

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.


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.


Before adding or subtracting Why are fractions turned into like fractions?

They have to have the same denominator.


How are adding fractions different?

When adding or subtracting fractions their denominators must be the same


What is a unlike fraction?

You must have 2 fractions or more to have unlike fractions. They are fractions with different denominators such as 7/8 and 1/2. Like fractions would have the same denominator like 7/8 and 4/8.


When adding two fractions with unlike denominator's which of these steps is the first step?

The first step is to make the denominators the same.


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.


What are the rules for adding fractions?

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


When adding fractions with unlike denominators it is most helpful if the fractions are renamed using the?

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.


How is the least common multiple used when adding and subtracting fractions?

When adding and subtracting unlike fractions, find the LCM of the denominators and convert them to it. In this case, it's called the least common denominator, but it's the same process.


What do you call fractions with not the same denominator?

"Unlike" fractions.


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.


How is adding mixed numbers the same as adding fractions?

Mixed numbers can be converted to improper fractions. Then, it is exactly the same as adding proper ones.


Are the steps for like and unlike denominators the same or different?

It depends what you are doing with the fractions. If you are multiplying or dividing fraction, the denominators do not need to be the same and the calculation can be carried out immediately. If you are adding or subtracting fractions, the denominators must be the same; if you have different denominators, the fractions must first be changed into equivalent fractions with the same denominator. When the denominators are the same (or have been made the same as equivalent fractions from being different) the calculation can be carried out.


Do you have to have the same denominator when you subtract fractions?

Yes, but the numerator is different,same as adding fractions


How do you minnous fractions?

To subtract fractions with like denominators, subtract the numerators , and write the difference over the denominator. Example : Find 45โˆ’25 . Since the denominators are the same, subtract the numerators.


What is adding fractions with unlike denominators?

I'm really sorry I've done this before but i just totally am thinking the same exact thing!