Arrange the numbers in the descending order : 3/11, 7/13, 9/19, 6/17
Show Hint
If fractions are close together, the "Cross Multiplication" method is useful. To compare $7/13$ and $9/19$:
\[ 7 \times 19 = 133 \quad \text{vs} \quad 9 \times 13 = 117 \]
Since $133 > 117$, then $7/13 > 9/19$.