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โˆ™ 2011-07-17 08:16:36
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Q: When you subtract fractions do they have to have the same denomanator?
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Related questions

What do you call a fraction with the same denomanator?

They are like fractions.


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

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


How do you know when two fractions are equivalent?

You have to get a common denomanator to then work out if the numerator is also the same.


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,


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.


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 subtract fractions with same denominators?

you subtract the numerators, and leeave the denomonators alone


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 are fractions under addition?

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


What is the process of subtracting fractions?

If the denominators are the same, subtract the numerators. If the denominators are different, convert them to equivalent fractions with a common denominator and subtract the numerators.


Fractions can be added and subtracted only if they're fractions?

We can only add or subtract fractions if they have the same denominators


How do you add or subtract fractions when negative?

The same as with positive ones. Make sure they have the same denominator and add or subtract their numerators.


When you subtract fractions do you subtract the denominator?

No. If the denominators are the same, you subtract the numerators. If the denominators are different you have to find the least common denominator.


How do you subtract fractions with negative fractions?

Subtracting a negative fraction is the same as adding its positive equivalent.


How do you add and subtract improper fractions with different denominator?

he fact that they are improper is irrelevant. Re-scale the fractions so that they have the same denominator and thenadd or subtract as required.


How do you add and subtract dissimilar fractions?

Make the fractions equivalent then subtract


How do you subtract mixed fractions when they have the same denominator?

The numerator of the answer is the result of subtracting the numerators of the fractions, and the denominator of the fraction is the same as the common denominator.


When subtracting fractions does the bottom have to be the same?

Yes the bottom has to be the same when subtracting fractions. The bottom (or denominator) tells you what you're working with. You cannot subtract thirds from halves just as you cannot subtract oranges from tissues.


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.


Why are equivalent fractions important when adding and subtracting fractions?

Because to add or subtract two fractions you first have to find equivalent fractions for both which have the same denominator.


What is the meaning of addition and subtraction of similar fraction?

Similar fractions are fractions with the same denominator. In order to add or subtract fractions they need to be similar.


What do adding and subtracting mixed numbers means?

To combine the fractions or subtract the fractions. Same method with mixed numbers.


Do you change the denomanator if you multiply?

Yes, you multiply the numerators together and the denominators together when multiplying two fractions


What are the steps to subtracting fractions?

Same as for addition. Mainly, you have to convert the fractions to equivalent fractions that have the same denominator. After that, it is easy: just subtract the numerators and put the result on top of the common denominator.


How do you subtract fractions with the same denominator?

subtract the top two and the bottom stays the same.....for example; 4/8-3/8=1/8