Introductory Algebra for College Students (7th Edition)

$\dfrac{5}{11}$
Factor the numerator and the denominator when needed, then cancel the common factors to obtain: $\require{cancel} =\dfrac{3(5)}{3(11)} \\=\dfrac{\cancel{3}(5)}{\cancel{3}(11)} \\=\dfrac{5}{11}$