1)\(\frac{1}{2},\frac{1}{3},\frac{1}{4},\frac{1}{5},...\)
\(\frac{1}{n+1}\)
2)\(\frac{1}{3},\frac{2}{4},\frac{3}{5},\frac{4}{6},...\)
\(\frac{n}{n+2}\)
3)\(\frac{3}{5},\frac{6}{10},\frac{9}{15},\frac{12}{20},...\)
\(\frac{3n}{5n} \; or \; \frac{3}{5}\)
4)\(\frac{5}{20},\frac{9}{14},\frac{13}{8},\frac{17}{2},...\)
\(\frac{4n+1}{-6n+26}\)
5)\(-3, -1\frac{1}{2},0, 1\frac{1}{2},...\)
\(1\frac{1}{2}n-4\frac{1}{2}\)
6)\(3,1\frac{1}{4},-\frac{1}{2},-2\frac{1}{4},...\)
\(-1\frac{3}{4}n + 4 \frac{3}{4}\)
7)\(-\frac{7}{12},-\frac{11}{9},-\frac{15}{6},-\frac{19}{3},...\)
\(\frac{4n+3}{3n-15} \; or \; \frac{-4n-3}{-3n+15}\)
8)\(-\frac{3}{82}, -\frac{2}{71},-\frac{1}{60},0,...\)
\(\frac{n-4}{-11n+93} \; or \; \frac{-n+4}{11n-93}\)