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1. how to add fractions with different denominators?

2. how to add improper fractions?

3. how to add mixed numbers?

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by jhansen

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2. how to add improper fractions?

3. how to add mixed numbers?

by jhansen

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Example:

The LCM of 3 and 4 is 12, so we will have:

Then we divide 12 by the denominator 3, which gives us 4 (12/3=4), then multiply that answer to 2, which makes it 8 (4*2).

But we still have to add the other fraction. Do the same with it. Try it!

If you did the correct procedure, you will be able to get the answer

2. Adding improper fractions is just the same with adding our usual fractions, whether they have the same denominator or not.

3. If you are given with a mixed number and another fraction, you have to make the mixed number an improper fraction first.

You just have to add the whole numbers together and then add the fractions and combine them.

Example:

But, you can also do it by making both of them improper fractions then doing the addition. The answer is the same. :)

Though the problem with that process is that you will get larger values to add and multiply which will take a bit of time. But you have the freedom to choose.