Respuesta :

[tex]\frac{9}{10} \div \frac{6}{7}[/tex]
You just flip 6/7 so it would be 7/6 and then you times it.
[tex]\frac{9}{10} \div \frac{6}{7}[/tex]
[tex]\frac{9}{10} \times \frac{7}{6} = \frac{63}{60} = \frac{21}{20}[/tex]