Answer
$\frac{27}{56}$
Work Step by Step
$1 \frac{7}{8} \div 3 \frac{8}{9} = \frac{15}{8} \div \frac{35}{9} = \frac{15}{8} \times \frac{9}{35} = \frac{15 * 9}{8 * 35} = \frac{3 * 3 * 3 * 5}{2 * 2 * 2 * 5 * 7} = \frac{3 * 3 * 3}{2 * 2 * 2 * 7} \times \frac{5}{5} = \frac{27}{56}$
