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By finding their lowest common denominator by means of their lowest common multiple

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โˆ™ 2014-11-25 12:29:52
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Q: How do you subtract fractions with different denominators?
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Related questions

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.


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.


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.


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 add and subtract by fractions?

If the fractions have the same denominator, add and subtract the numerators as if the denominators weren't there and put the result over that denominator. Reduce if possible. If the fractions have different denominators, find the LCM of the denominators and convert the fractions to equivalent fractions with like denominators. Then add and subtract the numerators as if the denominators weren't there and put the result over that denominator. Reduce if possible.


Why does the equivalent fraction make adding and subtracting fractions easier?

You cannot add or subtract fractions with different denominators. If the denominators are different then you need to work with equivalent fractions.


How do u subtract fractions?

multiply the fractions until they have common denominators and then subtract them


How do you subtract fractions without alike denominators?

Convert unlike fractions to equivalent fractions with common denominators by finding the LCM of the denominators.


Why would you want to rename fractions with the LCD?

Possible reasons: To add or subtract fractions, To compare fractions with different denominators.


Why can't you add or subtract fractions that have different denominators?

YOU JUST CANT....go on you try it


How do you subtract fractions with unequal denominators?

by finding the common denominator of the fractions


Subtract fractions with unlike denominators?

2/6


When you add or subtract fractions with unlike denominators why do you have to find LCM?

Because to add fractions, the denominators must be equal.


What is disimiliar fraction?

Dissimilar fractions have different denominators.


How do you subtract fractions with same denominators?

you subtract the numerators, and leeave the denomonators alone


What are the rules for subtracting fractions?

You multiply the fractions until the denominators are equal. Then, you subtract.


How do you add two fractions that have like denominators?

In fractions, you can NEVER add or subtract


How do you subtract improper fractions with different denominators?

It's the same thing as adding or subtracting normal fractions - just make sure both fractions have the same denominators (by either multiplying the denominators or simplifying the fraction - whichever the question needs).


What do you not have to think about when you add or subtract fractions?

Whether the denominators are common or not.


What is least common multiple or LCM?

The LCM is used to help you add or subtract fractions with different denominators.


How do you subtract fractions with mixed numbers and like denominators?

Convert them to improper fractions and proceed.


How are lcm's used in adding or subtracting fractions?

To add and subtract fractions, you need common denominators. To find the common denominator, take the LCM of the denominators you wish to add or subtract.


What are Fractions that have different denominators?

unlike fractions


How is finding the LCM revelant when adding and subtracting fractions?

To add and subtract fractions, you need common denominators. To find the common denominator, find the LCM of the denominators you wish to add or subtract.


How would you add or subtract fractions with like denominators?

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