Răspuns:
[tex]\displaystyle 5\frac{1}{2} \ : \ 10\frac{1}{4} \ = \ \frac{5 \ \cdot \ 2 \ + \ 1}{2} \ : \ \frac{10 \ \cdot \ 4 \ + \ 1 }{4} \ = \ \frac{11}{2} \ : \ \frac{41}{4} \ = \ \frac{11}{2} \ \cdot \ \frac{4}{41} \ = \ \frac{22}{41}[/tex]
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