a)
[tex] \frac{5}{9} \div \frac{7}{2 } = \frac{5}{9} \times \frac{2}{7} = \frac{10}{63} [/tex]
b)
[tex] \frac{12}{7} \div \frac{30}{11} = \frac{12}{7} \times \frac{11}{30} = \frac{132}{210} = \frac{66}{105 } = \frac{22}{35} [/tex]
c)
[tex] \frac{2}{14} \div \frac{3}{35} = \frac{2}{14} \times \frac{35}{3} = \frac{70}{42} = \frac{35}{21 } = \frac{5}{3} [/tex]
