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When adding or subtracting fractions their denominators must be the same

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โˆ™ 2014-02-04 10:49:45
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Q: How are adding fractions different?
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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.


Do you have to have the same denominator when you subtract fractions?

Yes, but the numerator is different,same as adding fractions


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 solve all fractions problems?

You basically have to learn separately how to do different things with fractions, including finding a common denominator; converting fractions to a different denominator; simplifying fractions; adding and subtracting fractions; multiplying fractions; dividing fractions.


How is adding mixed numbers different from adding fractions?

when you add mixed numbers you have a whole number but adding fraction does not.


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.


When will you need to find the multiples and factors?

When adding or subtracting fractions with different denominators and when reducing fractions to their lowest terms


When is it useful to find the LCM or GCF of two or more numbers to solve a problem?

When adding or subtracting fractions with different denominators and when reducing fractions to their lowest termsWhen adding or subtracting fractions with different denominators their lowest common multiple is needed and when reducing fractions to their lowest terms their greatest common factor is needed.


How is adding fractions like adding whole numbers?

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


What are the rules for adding fractions?

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


What is a real world situation where it is useful to know about factors and multiples?

When adding or subtracting fractions with different denominators and when reducing fractions to their lowest terms.


Meaning of adding of dissimilar fractions?

Dissimilar fractions have different denominators and their lowest common denominator must be found in order to add them up.


Why do you have to have a common denominator?

A common denominator is needed when adding or subtracting fractions of different denominators.


How is adding fractions like adding whole numbers... How is it different?

Similarities: the sum does not depend on which number you start with (distributive)Differences: you must find a common denominator for the fractions (whole numbers have a common denominator [1]


What is the rule in adding fractions having the same denominator?

Sum of the fractions = sum of numerators divided by their common denominator. Adding Fractions rule implies to addition of fractions having same denominator and as well as adding fractions with different denominators. So rule for adding fractions having the same denominator is add the numerators and simplify For example : 3/5 + 2/5 + 9/5 = (3 + 2 + 9)/5 [add the numerators] = 14/5


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

What is the definition of Adding and Subtracting Like Fractions


Adding three fractions with different denominator?

2/3+1/6+3/4=


When adding or subtracting fractions do you have to have the numerator the same or denominator?

The denominators must be the same, the numerators can be different.


how to rename fractions using LCM?

When adding or subtracting fractions with different denominators their lowest common denominator must be found first by using the LCM of their denominators


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.


Before adding or subtracting two fractions they are converted into like fractions Explain with examples why this is necessary?

Before adding or subtracting two fractions they are converted into like fractions. Explain with examples why this is necessary.


How is the LCM used in everyday life?

When adding or subtracting fractions with different denominators the LCD is found with the LCM.


What is the practical use of HCF and LCM?

For adding and subtracting fractions with different denominators and reducing them to their lowest terms.


How can you decide if common multiples or common factors is helpful in a problem?

When adding or subtracting fractions with different denominators


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.