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# math

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what are the rules to slove -1/4-(-2)?
Guest Jan 30, 2012
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Minus a negative number is same as plus the corresponding positive number

i.e. a- (-b) = a + b

Addition is commutative. i.e. -a + b = b - a

Also use PEDMAS or BODMAS(whatever you call it.)

$$-\frac{1}{4}-(-2)\\ = -\frac{1}{4}+2\\ = 2-\frac{1}{4}\\ = 1\frac{3}{4}$$

MaxWong  Aug 21, 2016

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