Which of the given ratios is the smallest

1. A.
   $8 : 19$
2. B.
   $15 : 38$
3. C.
   $17 : 38$
4. D.
   $13 : 19$

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1. A.
   $\frac{7}{9}$
2. B.
   $\frac{13}{18}$
3. C.
   $\frac{5}{6}$
4. D.
   $\frac{11}{12}$

Tap an option to check your answer.