[tex]16a)\\\\1\frac{2}{3}*1\frac{1}{4}=\frac{5}{3}* \frac{5}{4}=\frac{25}{12}=2\frac{1}{12}\\\\b)\\\\1\frac{1}{2}*1\frac{2}{3}= \frac{\not{3}^1}{2}* \frac{5}{\not{3}^1}= \frac{5}{2}=2\frac{1}{2}\\\\c)\\\\1\frac{3}{4}*1\frac{1}{5}= \frac{7}{\not{4}^2}* \frac{\not{6}^3}{5}= \frac{21}{10}=2\frac{1}{10}\\\\d)\\\\1\frac{4}{5}*1\frac{1}{6}= \frac{\not{9}^3}{5}* \frac{7}{\not{6}^2}=\frac{21}{10}=2\frac{1}{10}[/tex]
[tex]17a)\\\\3\frac{1}{2}*1\frac{1}{3}=\frac{7}{\not{2}^1}* \frac{\not{4}^2}{3}= \frac{14}{3}=4\frac{2}{3}\\\\b)\\\\2\frac{2}{3}*2\frac{1}{7}=\frac{8}{\not{3}^1}* \frac{\not{15}^5}{7}=\frac{40}{7}=5\frac{5}{7}\\\\c)\\\\2\frac{3}{4}*3\frac{1}{3}=\frac{11}{\not{4}^2}* \frac{\not{10}^5}{3}= \frac{55}{6}=9\frac{1}{6}\\\\d)\\\\ 2\frac{2}{9}*3\frac{2}{5}=\frac{2}{9}*3\frac{2}{5}= \frac{\not{20}^4}{9}*\frac{17}{\not{5}^1}=\frac{68}{9}=7\frac{5}{9}[/tex]
