Respuesta :
Answer:
D. 1
Step-by-step explanation:
Note that two negatives = one positive.
In this case: - (-1/4) = + 1/4
Add.
1/4 + 3/4 = 4/4 = 1
D. 1 is your answer
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[tex]\dfrac{3}{4}-\left(-\dfrac{1}{4}\right)=\dfrac{3}{4}+\dfrac{1}{4}=\dfrac{3+1}{4}=\dfrac{4}{4}=1\\\\\\Answer:\ \ \boxed{D.\ 1}[/tex]