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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.
Why is finding the least common multiple important?
It will help when you are trying to add and subtract fractions.
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.
How do you subtract mixed numbers with regrouping?
you take away one of the whole number=then you add or subtract your fractions=
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.
How do you add and subtract dissimilar fractions?
Make the fractions equivalent then subtract
Why is finding the least common multiple important?
It will help when you are trying to add and subtract fractions.
Why are equivalent fractions important when adding and subtracting fractions?
Because to add or subtract two fractions you first have to find equivalent fractions for both which have the same denominator.
Do you add and subtract like and unlike fractions in the same way?
no, to add and subtract like and unlike fractions the denominator has to be the same,
How do you add two fractions that have like denominators?
In fractions, you can NEVER add or subtract
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.
Why is it important to find the LCM of 2 numbers?
It will help when you want to add and subtract unlike fractions.
Why might it be important to know to calculate least common multiples?
The process of finding the LCM is the same as finding the least common denominator which is important when you want to add and subtract fractions.
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.
To add and subtract fractions less than 1 you add or subtract only the what?
Numerators
