(1) Compare the fractions (insert the sign (<), (>) or (=)):

(a) \( \dfrac{3}{8} \; \square \; \dfrac{3}{13} \)

(b) \( \dfrac{6}{6} \; \square \; \dfrac{6}{14} \)

(c) \( \dfrac{6}{13} \; \square \; \dfrac{9}{13} \)

(d) \( \dfrac{13}{10} \; \square \; \dfrac{16}{10} \)

(2) Compare the fractions (insert the sign (<), (>) or (=)):

(a) \( \dfrac{5}{9} \; \square \; \dfrac{42}{78} \)

(b) \( \dfrac{5}{10} \; \square \; \dfrac{4}{7} \)

(c) \( \dfrac{7}{13} \; \square \; \dfrac{12}{55} \)

(d) \( \dfrac{14}{20} \; \square \; \dfrac{12}{28} \)