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Earn +20 ptsQ: Who invented adding and subtracting?
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Continue Learning about Math & Arithmetic
How are adding and subtracting fractions similar?
Subtracting a fraction is the same as adding its negative.
Is sum adding or subtracting?
adding
What did you learn from adding and subtracting fractions?
I learned to always change the denominators before adding or subtracting the numerators. You must always have a common denominator before adding or subtracting.
Do you need a common denominator when adding subtracting multiplying or dividing?
only when adding and subtracting
What is the rules for algeraba for subtracting negatives?
Subtracting a negative is the same as adding the equivalent positive. For example, subtracting minus 10 is the same as adding 10.
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