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Q: What you need to add or subtract fractions?

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it stay the same when you subtract fractions and when you add fractions.

The denominators must be the same before you can add or subtract fractions.

You DO need a common denominator to add, subtract, or compare fractions. You DO NOT need a common denominator to multiply or divide fractions.

it is important to learn how to add and subtract fractions because we can use it when a time comes , when we have our own business and others .

Because to add fractions, the denominators must be equal.

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it stay the same when you subtract fractions and when you add fractions.

Make the fractions equivalent then subtract

add? dont you mean subtract?

To add and subtract fractions, you need common denominators. To find the common denominator, take the LCM of the denominators you wish to add or subtract.

The LCM will help you add and subtract fractions. The GCF will help you simplify fractions.

because it would be diffcult to understand.[you don't add or subtract the demonters]

You will need to find the LCM in order to add and subtract fractions.

To get the right answer when you add or subtract unlike fractions.

To add and subtract fractions, you need common denominators. To find the common denominator, find the LCM of the denominators you wish to add or subtract.

In fractions, you can NEVER add or subtract

I am not entirely sure what you mean, but if you need to add, subtract, or compare two fractions, they need to have the same denominator.

The LCM will help you add and subtract fractions. The GCF will help you simplify fractions.

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