Recall how equivalent fractions are created: multiply the original fraction by a fraction that equals one, where numerator and denominator have the same value. Placing the negative sign before the entire fraction (subtracting the fraction) is equivalent to adding the same fraction, but with a negative numerator. These principles apply to fractions as well, so: – The negative of a number can be created by multiplying the number by negative one. – Subtraction is the same thing as the addition of a negative.
Two ideas are useful to keep in mind during the explanation that follows: Question: Where should I put the negative sign when I am writing a fraction like negative two thirds?Īnswer: As long as you write only one negative sign, it does not matter where you put it.
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