Dividing Fractions

Question 1:

\frac{18}{55} \div \frac{24}{35}

\frac{{}^{3}18}{{}_{11}55} \times \frac{35^{7}}{24_{4}} = \frac{21}{44}

Question 2:

\frac{4}{21} \div \frac{4}{7}

\frac{{}^{1}4}{{}_{3}21} \times \frac{7^{1}}{4_{1}} = \frac{1}{3}

Question 3:

\frac{4}{27} \div \frac{16}{63}

\frac{{}^{1}4}{{}_{3}27} \times \frac{63^{7}}{16_{4}} = \frac{7}{12}

Question 4:

\frac{12}{77} \div \frac{36}{49}

\frac{{}^{1}12}{{}_{11}77} \times \frac{49^{7}}{36_{3}} = \frac{7}{33}