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

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10y ago

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What are the rules for adding subtracting multiplying and dividing fractions?

no answer


How is adding fractions like adding whole numbers?

adding fractions is like adding a WHOLE lot of parts of numbers


How are adding fractions different?

When adding or subtracting fractions their denominators must be the same


Butterfly Method?

Used for adding dissimilar fractions


What is the definition of adding and subtracting fractions with unlike denominators?

What is the definition of Adding and Subtracting Like Fractions


What are the rules for adding and subtracting positive and negative fractions with different denominators?

first must find Least Common Denominator http://www.loisterms.com/lois21.htm First of all, if you want to know about adding fractions, check out "How to Add Fractions". Be sure to follow the math examples carefully. To subtract fractions, follow the same steps as for adding, except subtract where you would add. Now about those positive and negative signs. The rules are the same whether you are working with integers or fractions. I will give you a method of learning the rules for the signs that has worked for many other students. Copy off this "Rules for Integers" chart and paste it on a large index card. Put the card in your math book or folder and refer to it often while you are doing your homework. If you keep using the card, you will get better with the signs.


What are the Rules of adding and subtracting dissimilar fractions?

If their denominators are different then find their lowest common denominator by means of their lowest common multiple remembering to adjust their numerators accordingly before adding or subtracting.


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.


What are two equivalent fractions for 20 and 32?

adding fractions


When adding or subtracting fractions what should you do first?

For adding or substracting fractions first of all we should calculate the LCM( Lowest Common Multiplier) of the denominators in both of the fractions.


How is adding positive and negative fractions similar to adding integers?

Adding positive and negative fractions is similar to adding integers in that both operations involve combining values to find a total. Just like with integers, when adding fractions, you must consider the signs; for example, adding a positive fraction to a negative fraction is akin to adding a positive integer to a negative integer, where you effectively find the difference between their absolute values. Additionally, both operations require finding a common reference point, whether it's a common denominator for fractions or a number line for integers. Ultimately, the rules of arithmetic—such as combining like signs and recognizing when to subtract—apply to both contexts.


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.