i will give brainliest if correct

Answer:
[tex]\sf c) \ \dfrac{3}{5}[/tex]
Explanation:
To know how many 5/6 's are there in 1/2. Divide 5/6 from 1/2.
[tex]\sf \rightarrow \dfrac{1}{2} \div \dfrac{5}{6}[/tex]
[tex]\sf \rightarrow \dfrac{1}{2} \times \dfrac{6}{5}[/tex]
join fractions
[tex]\sf \rightarrow \dfrac{1(6)}{2(5)}[/tex]
multiply
[tex]\sf \rightarrow \dfrac{6}{10}[/tex]
simplify
[tex]\sf \rightarrow \dfrac{3}{5}[/tex]
Hence, there are 3/5 of 5/6 's in 1/2.