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(-4/7) - (-2 1/2)

Mathematics
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You need to find the LCD. You can rewrite this as: (-4/7) - (-5/2)
why is it -5/2 though thats what i dont understand
-2 1/2 is equivalent to -5/2

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Other answers:

You multiply the denominator times the whole number and add the numerator.
oh soo you convert it into an improper fraction right?
Yes
ok thank you
You're welcome
27/14
thanks but i found out already

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