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how do you simplify 1/2-3

how do you simplify 1/2-3

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To simplify 1/2 - 3 you need to convert 3 into a fraction. 1) Imagine you have 3 whole pizzas, each pizza is made up of 2 halves, so you have 6 halves in total. 2) You can therefore re-write 3 as 6/2 (6 halves). 3) The question now becomes 1/2-3=(1/2)-(6/2)=-5/2 = -2.5. Hope this helps.
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