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You cannot add or subtract fractions with different denominators. If the denominators are different then you need to work with equivalent fractions.

Q: Why does the equivalent fraction make adding and subtracting fractions easier?

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Subtracting a negative fraction is the same as adding its positive equivalent.

Subtracting a fraction is the same as adding its negative.

The Lowest Common Denominator is needed when adding or subtracting fractions.

you must make the fractions equivalent and with the same denomenator

Ensure that the denominators are the same when adding or subtracting fractions.

Related questions

Subtracting a negative fraction is the same as adding its positive equivalent.

Subtracting a fraction is the same as adding its negative.

If you are adding or subtracting unlike fractions, convert them to equivalent fractions with a common denominator.

The Lowest Common Denominator is needed when adding or subtracting fractions.

Because to add or subtract two fractions you first have to find equivalent fractions for both which have the same denominator.

What is the definition of Adding and Subtracting Like Fractions

you must make the fractions equivalent and with the same denomenator

Anything having to do with adding or subtracting unlike fractions.

When adding or subtracting fractions their denominators must be the same

Ensure that the denominators are the same when adding or subtracting fractions.

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Finding the LCM will make adding and subtracting fractions easier.