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If the denominators are not the same then yes.
If the denominators are the same you can simply add the numerators:
1/5 + 2/5 = 3/5
because the denominators are all the same, and 1 + 2 = 3.
If the denominators are different, simply adding the numerators will give the wrong answer:
1/5 + 2/3 <> 3/5 or 3/3.
Instead, find the Least Common Multiple of the denominators (15 in this case) and convert both fractions to that denominator. Then you can go back to simply adding the numerators.
1/5 = 3/15
2/3 = 10/15
3/15 + 10/15 = 13/15
because 3 + 10 = 13.
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∙ 13y ago
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How do you minnous fractions?
Subtracting fractions is similar to adding fractions. If the fractions have the same denominator, you subtract the numerators. If the fractions have different denominators, you have to convert to a common denominator first.Subtracting fractions is similar to adding fractions. If the fractions have the same denominator, you subtract the numerators. If the fractions have different denominators, you have to convert to a common denominator first.Subtracting fractions is similar to adding fractions. If the fractions have the same denominator, you subtract the numerators. If the fractions have different denominators, you have to convert to a common denominator first.Subtracting fractions is similar to adding fractions. If the fractions have the same denominator, you subtract the numerators. If the fractions have different denominators, you have to convert to a common denominator first.
When adding or subtracting fractions do you change the numerator?
you subtract the numerator but the denominator stays the same.
Do you need a common denominator for dividing fractions?
No only when adding or subtracting fractions a common denominator is needed
Before adding or subtracting Why are fractions turned into like fractions?
They have to have the same denominator.
Do you need common denominator when adding fractions?
Yes.
How do you minnous fractions?
Subtracting fractions is similar to adding fractions. If the fractions have the same denominator, you subtract the numerators. If the fractions have different denominators, you have to convert to a common denominator first.Subtracting fractions is similar to adding fractions. If the fractions have the same denominator, you subtract the numerators. If the fractions have different denominators, you have to convert to a common denominator first.Subtracting fractions is similar to adding fractions. If the fractions have the same denominator, you subtract the numerators. If the fractions have different denominators, you have to convert to a common denominator first.Subtracting fractions is similar to adding fractions. If the fractions have the same denominator, you subtract the numerators. If the fractions have different denominators, you have to convert to a common denominator first.
When adding or subtracting fractions do you change the numerator?
you subtract the numerator but the denominator stays the same.
What is the rule for adding fractions?
They have to have a common denominator
Do you need a common denominator for dividing fractions?
No only when adding or subtracting fractions a common denominator is needed
Do you make same denominator when adding fractions?
Yes you make same denominator
How is subtracting fractions like adding fractions?
You need a common denominator for both.
Before adding or subtracting Why are fractions turned into like fractions?
They have to have the same denominator.
When adding or subtracting fractions you must get a?
A Common Denominator
Do you need common denominator when adding fractions?
Yes.
What did you learn from adding and subtracting fractions?
I learned to always change the denominators before adding or subtracting the numerators. You must always have a common denominator before adding or subtracting.
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
Why do you have to have a common denominator?
A common denominator is needed when adding or subtracting fractions of different denominators.
