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Subtracting a fraction is the same as adding its negative.
Subtracting a negative is the same as adding the equivalent positive. For example, subtracting minus 10 is the same as adding 10.
Adding a negative is the same as subtracting a positive. 9 - 9 = 0 9 + (-9) = 0
Addition and subtraction can be thought of as the same thing because subtracting a negative number is the same as adding it and adding a negative number is the same as subtracting it.
When adding or subtracting fractions their denominators must be the same
Subtracting a fraction is the same as adding its negative.
Subtracting a negative is the same as adding the equivalent positive. For example, subtracting minus 10 is the same as adding 10.
Adding a negative is the same as subtracting a positive. 9 - 9 = 0 9 + (-9) = 0
Addition and subtraction can be thought of as the same thing because subtracting a negative number is the same as adding it and adding a negative number is the same as subtracting it.
Ensure that the denominators are the same when adding or subtracting fractions.
When adding or subtracting fractions their denominators must be the same
Yes.
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This is effectively the same as lining up the decimal points when adding or subtracting ordinary decimal fractions.
-4
adding is 2+2=4 and subtraction is 2-2=0
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