[tex]\frac{6}{7}=\\\\=\frac{6\cdot2}{7\cdot2}=\boxed{\frac{12}{14}}\\\\=\frac{6\cdot3}{7\cdot3}=\boxed{\frac{18}{21}}\\\\=\frac{6\cdot4}{7\cdot4}=\boxed{\frac{24}{28}}\\\vdots\\=\frac{6\cdot10}{7\cdot10}=\boxed{\frac{60}{70}}\\\vdots\\=\frac{6\cdot15}{7\cdot15}=\boxed{\frac{90}{105}}\\\vdots[/tex]
