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I just want to know how you write negative fractions because I don't seem to understand why I am not able to make a fraction negative. Is it even possible?

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    $\begingroup$ You mean like $-\frac{3}{4}$ (-\frac{3}{4}), or something else? $\endgroup$ Mar 31 '15 at 22:05
  • $\begingroup$ I really don't understand your question... What do you mean by negative fractions? Is it what Daniel said or something else? $\endgroup$
    – Tolaso
    Mar 31 '15 at 22:20
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    $\begingroup$ yes exactly what daniel said $\endgroup$
    – Dunja Elez
    Mar 31 '15 at 22:22
  • $\begingroup$ This either belongs on the main site or on TeX-LaTeX. $\endgroup$
    – robjohn Mod
    Mar 31 '15 at 22:51
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To insert negative fractions (the way you said you want to insert them in $\LaTeX$ )just drop a minus sign in front of the command \frac{}{}.

That is if you want to produce $-\dfrac{5}{4}$ you can write: -\frac{5}{4}. You can also produce more complicated fractions like this:

$$\frac{1}{1-\dfrac{2}{\sqrt{2}}}$$

The code is \frac{1}{1-\dfrac{2}{\sqrt{2}}}.

Happy $\TeX$ing.

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