(1) Uporedi razlomke (upiši znak \(<\), \(>\) ili \(=\)):

(a) \( \dfrac{4}{12} \; \square \; \dfrac{4}{21} \)

(b) \( \dfrac{8}{7} \; \square \; \dfrac{8}{10} \)

(c) \( \dfrac{10}{9} \; \square \; \dfrac{5}{9} \)

(d) \( \dfrac{17}{15} \; \square \; \dfrac{16}{15} \)

(2) Uporedi razlomke (upiši znak \(<\), \(>\) ili \(=\)):

(a) \( \dfrac{3}{11} \; \square \; \dfrac{54}{42} \)

(b) \( \dfrac{7}{8} \; \square \; \dfrac{8}{5} \)

(c) \( \dfrac{11}{15} \; \square \; \dfrac{15}{25} \)

(d) \( \dfrac{9}{15} \; \square \; \dfrac{14}{36} \)