Answer: Option D
The denominators are 8, 16, 8. So the LCM of them is = 16.
We make all the denominators = 16. Then add the numerators.
[tex]\frac{1}{8}+\frac{5}{16}+\frac{3}{8}\\ =\frac{2}{16}+\frac{5}{16}+\frac{6}{16}\\ =\frac{13}{16}[/tex]
Learn more: https://brainly.com/question/10241002