Answer:
it’s +
and it equals 46/45
Step-by-step explanation:
Answer: there is no sign because the answer is zero
[tex]\dfrac{23}{45}+\bigg(-\dfrac{23}{45}\bigg)\\\\\\=\dfrac{23}{45}-\dfrac{23}{45}\\\\\\= \dfrac{0}{45}\\\\\\=\large\boxed{0}[/tex]