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[tex]\frac{8}{12}=\frac{8:4}{12:4}=\frac{2}{3}\\\\\frac{5}{35}=\frac{5:5}{35:5}=\frac{1}{7}\\\\\frac{14}{28}=\frac{14:14}{28:14}=\frac{1}{2}\\\\\frac{9}{12}=\frac{9:3}{12:3}=\frac{3}{4}\\\\\frac{7}{49}=\frac{7:7}{49:7}=\frac{1}{7}\\\\\frac{16}{24}=\frac{16:8}{24:8}=\frac{2}{3}\\\\\frac{75}{100}=\frac{75:25}{100:25}=\frac{3}{4}\\\\\frac{25}{45}=\frac{25:5}{45:5}=\frac{5}{9}[/tex]
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