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$\frac{12}{8} = \frac{3}{2} =1 \frac{1}{2} \\ \\ \frac{20}{16} = \frac{5}{4}=1 \frac{1}{4} \\ \\ \frac{35}{25}= \frac{7}{5} =1 \frac{2}{5} \\ \\ \frac{46}{32}= \frac{23}{16}=1 \frac{7}{16} \\ \\ \frac{56}{12}= \frac{14}{3} =4 \frac{2}{3} \\ \\ \frac{105}{45} = \frac{7}{3} =2 \frac{1}{3} \\ \\ \frac{198}{102} = \frac{33}{17} =1 \frac{16}{17} \\ \\ \frac{90}{65}= \frac{18}{13} =1 \frac{5}{13}$