Yes, Liam is correct.
Discussion;
The negative of unity; (1) can be expressed either as; -1, -1/1 or 1/-1.
In essence, the term; -(5/12) can be written as;
Similarly; the term, 5/-12 can be written as;
Since, both terms are equal; We can conclude that Liam is correct.
However, the conventional form of such an expression is; -5/12.
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