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Nothing actually happens. You are now in a position where the fractions may be added or subtracted more easily but that is all.

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โˆ™ 2012-04-01 18:04:58
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Q: What happens when you have two fractions that have the same denominator?
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A denominator that is the same in two or more fractions?

A "common denominator"


When two or more fractions have the same denominator it is called what?

Common denominator


What is the denominator in the same in two or more fractions?

That's a common denominator.


What is the rule for subtracting fractions?

First, change it so that the two fractions have the same denominator (by changing the fractions into equivalent fractions). Once the two fractions have the same denominator, it is simply a case of subtracting the numerators, leaving the denominator the same. Finally, reduce the fraction to its lowest terms (if possible).


Denominator that is the same in two or more fractions?

That's a "common" denominator. "Common" means "same for both" or "same for all".


How do you change a fraction so they have the same denominator?

First, find a common denominator for the two (or more) fractions. Then, for each fraction, multiply numerator and denominator by the same number (different numbers for different fractions, though), to convert to the common denominator.


What are like denominators?

That means that two or more fractions have the SAME denominator.


How do you add two fractions with the same denominator?

numerators you add, denominators you leave it the same


What is a wy to compare two fractions when the denominator are the same?

They are in the same order, by size, as their numerators.


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 is the sum of two fractions?

convert the fractions so the denominators are the same if they aren't already. then add the numerators, but keep the denominator the same.


Why do you need a common denominator?

Common Denominator means that the denominators in two (or more) fractions are common, or the same. The common denominator is important because before you can add or subtract fractions, the fractions need to have a common denominator.Sometimes fractions have different denominators, like 2/3 and 3/4. If you want to add or subtract them, they need to have the same denominator. In order to do that, you find a common denominator which is the same thing as a common multiple, only with denominators.


Why is it easier to compare fractions with the same rather than denominator?

If the fractions have different denominators, you need to: 1) Convert to equivalent fractions with a common denominator, 2) Compare the numerators. If the fractions already have the same denominator, there is no need for the first step - which happens to be the most difficult step. Note that as a shortcut, you don't need the LEAST common denominator, any denominator can do. Thus, you can just use the product of the two denominators as the common denominator. As a result, to compare the fractions, you simply multiply the numerator of each fraction by the denominator of the other one, and then compare. However, this is still more work than simply comparing two numbers.


What fraction is bigger seven eighths or nine tenths?

To compare two fractions, convert them to a common denominator.To compare two fractions, convert them to a common denominator.To compare two fractions, convert them to a common denominator.To compare two fractions, convert them to a common denominator.


How do you rewrite two fractions as like fractions with the same denominator?

1/2=4/8=1/2


Is the LCD of two fractions the same as the LCM of the numerators of the fractions?

The "D" in LCD stands for denominator. The LCD is the same process as the LCM of the denominators.


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.


How do you get a common denominator for subtracting fractions?

Just multiply the two denominators of your fractions, the answer you get is a common denominator.


How do you subtract fractions with a common denominator?

If the two bottom numbers are the same, you will carry that same number over to the denominator in the answer. To get the numerator (top number) simply subtract the two numerator and place the number over the answer denominator.


How do you add or subtract dissimilar fractions?

You first convert them to similar fractions, i.e., to fractions that have the same denominator.* Step one: find a common denominator.* Step two: convert both fractions to equivalent fractions that have that denominator.


What is the same about two fractions that are like fraction?

They have the same denominators.


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

When adding two or more unlike fractions, yes.


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.


What is the least common denominator of two fractions?

The least common denominator is the least common multiple of the denominators of the fractions.


What are the types of fractions?

The two types of fractions are proper fractions, in which the numerator is smaller than the denominator, and improper fractions, in which the numerator is equal to or larger than the denominator.