Respuesta:
[tex] \frac{1}{9} \div 4 = \frac{1}{9} \div \frac{4}{1} = \frac{1}{36} [/tex]
[tex] \frac{3}{10} \div 3 = \frac{3}{10} \div \frac{3}{1} = \frac{3}{30} = \frac{1}{10} [/tex]
[tex] \frac{1}{5} \div 2 = \frac{1}{5} \div \frac{2}{1} = \frac{1}{10} [/tex]
espero que te sirva
