Replace '$\boxed{\phantom{653}}$' by an appropriate symbol '< or >' between the given fractions:

(i) $\dfrac{5}{6} \boxed{\phantom{653}} \dfrac{13}{15}$

(ii) $\dfrac{4}{5}$ $\boxed{\phantom{653}}$ $\dfrac{7}{9}$

(iii) $\dfrac{11}{12}$ $\boxed{\phantom{653}}$ $\dfrac{13}{14}$

Arrange the following fractions in descending order: $\dfrac{7}{30}, \dfrac{13}{15}, \dfrac{9}{10}, \dfrac{3}{5}$

Evaluate the following:

(i) $\dfrac{3}{5} \times 180$

(ii) $\dfrac{3}{7}$ of $5\dfrac{5}{6}$

(iii) $\dfrac{5}{18} \div \dfrac{2}{3}$

Asha and Samuel have bookshelves of the same size partly filled with books. Asha's shelf is $\dfrac{5}{6}$ full and Samuel's shelf is $\dfrac{3}{5}$ full. Whose bookshelf is more full and by what fraction?