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Mathematics 18 Online
OpenStudy (anonymous):

What is the pattern? 1/4, 2/5, 1/2, 4/7... until the nth term.

OpenStudy (anonymous):

\[\frac {1+(n-1)}{4+(n-1)}\]

OpenStudy (gw2011):

cazil is correct, but that formula can be simplified to: n/(n+3)

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