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

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โˆ™ 2012-10-30 00:40:08
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Q: Do you add and subtract like and unlike fractions in the same way?
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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.


What do like and unlike fractions mean?

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


How do you subtract fractions with unlike denminators?

get them to have the same demoninator. like if you have 5/6-3/4 make it 10/12-9/12. then just subtract.


What the difference between like and unlike fraction?

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


Why are two fractions converted into like fractions?

Because you can't add or subtract fractions that have different denominators. Making them like fractions, by multiplying so the denominators are the same, you can add and/or subtract them.


How do you subtract Fractions with models unlike denominators?

The denominators need to be the same for subtraction. Find the Least Common Denominator for both items and then subtract.


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.


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.


How do you add and subtract fractions with the same denominator?

it stay the same when you subtract fractions and when you add fractions.


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.


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.


Why is it necessary to convert two fractions into like fractions before adding and subtracting them?

Because think of like fractions as the same things.. you can subtract halves from halves for example, but what does it mean to take away a half from a third?By converting them into like fractions, we can add or subtract them easily.


Why do you need a common denominator with fractions?

You can add or subtract fractions only if they are "like" fractions, that is, only if they have the same denominator - unless you know your fractions really well.


Do you always have to have like numerators in fractions before you can add or subtract?

No, the denominators have to be the same.


What do you call fractions with not the same denominator?

"Unlike" fractions.


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 add or subtract fractions with unlike denominators?

convert at least one of them so that they have the same denominator, then proceed with the addition or subtraction


Why do you find common denominators?

In order to add or subtract one fraction from another, they must have a common denominator, or the same denominator. That's because it's impossible to add two fractions that have a different number of parts.


When you subtract fractions do they have to have the same denomanator?

Yes


How do you subtract fractions with same denominators?

you subtract the numerators, and leeave the denomonators alone


What are fraction that have same denominator called?

They are called like fractions.In order to add or subtract fractions you will usually need to convert them to like fractions. Then you simply add or subtract the numerators (as required) to form the numerator of the answer. The same (or common) denominator is the denominator of the answer. You may need to simplify the resulting fraction.


How would you add or subtract fractions with like denominators?

The same way you would add or subtract whole numbers, leaving the denominators alone.


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.


How are fractions under addition?

In order to add or subtract fractions, they must have the same denominator.