[tex]\frac{7}{8} \div{} \frac{3}{9} = \frac{7}{8} * \frac{9}{3} = \frac{63}{24} =\boxed{ \frac{21}{8} }[/tex]
7/8 : 3/9 => 7/8 x 9/3 = 63/24 = 21/8 = 21/8
Respuesta = 21/8