0
you'd be changing the size of the piece (or pieces) ______________ Here is an analogy which may or may not help: Mary has 3 cats, Don has 4 cats. How many cats do they have in all? The answer is 7 cats, not 7 ccaattss. John has 1 quarter. Marie has 1 quarter (a quarter is 1/4 of a dollar). Together they have 2 quarters, not 2 eighths.
Wiki User
∙ 16y ago
Add your answer:
Earn +20 pts
How do you add and subtract fractions with the same denominator?
it stay the same when you subtract fractions and when you add fractions.
What you need to add or subtract fractions?
You need a common denominator in order to add or subtract fractions.
Do you need a common denominator for all fractions before doing the order of operations?
You DO need a common denominator to add, subtract, or compare fractions. You DO NOT need a common denominator to multiply or divide fractions.
Why do you need a common denominator when you add fractions?
Unless you are using a calculator that adds them for you, it is much harder to add fractions with uncommon denominators. Having the same denominator allows you to only have to add the numerators for your answer.
How do you add fractions with unlike denomanators?
You first convert them to equivalent fractions with a common denominator. Or you convert them to decimal fractions.
When you add fractions do you add the denominator to?
No.
When you add fractions do they have to have the same denominator?
Yes you have to add with the same denominator. when ever you do fractions they have to have the same denominator no matter what. So thats a yes
How do you add and subtract fractions with the same denominator?
it stay the same when you subtract fractions and when you add fractions.
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.
How do you add fractions with unlike denometiors?
You look for a common denominator; convert the fractions to equivalent fractions with the denominator you found; then you do the addition itself.
What you need to add or subtract fractions?
You need a common denominator in order to add or subtract fractions.
When you add fractions do you have to have the same denominator?
Yes.
How do you add fractions with same numerator?
if it has a denominator
Why do you need a common denominator with fractions?
You can add or subtract fractions only if they are "like" fractions, that is, only if they have the same denominator - unless you know your fractions really well.
How do I add improper fractions?
Change them into mixed numbers and add the integers and fractions together ensuring that the fractions have a common denominator.
When you add fractions are you supposed to have the same denominator?
Yes, you are.
When you add fractions do you find the common denominator?
Yes you do.
