[tex]3a)\\\\\frac{4}{5}*\frac{2}{3}=\frac{8}{15}\\\\b)\\\\\frac{3}{4}*5=\frac{15}{4}=3\frac{3}{4}\\\\c)\\\\\frac{5}{\not{6}^2}*\not{3}^1=\frac{5}{2}=2\frac{1}{2}[/tex]
[tex]d)\\\\\frac{6}{\not{7}^1}*\not{14}^2=12\\\\e)\\\\\frac{7}{8}:\frac{1}{4}=\frac{7}{\not{8}^2}*\frac{\not{4}^1}{1}=\frac{7}{2}=3\frac{1}{2}\\\\f)\\\\\frac{4}{9}:2=\frac{\not{4}^2}{9}*\frac{1}{\not{2}^1}=\frac{2}{9}[/tex]
[tex]g)\\\\ 8:\frac{1}{2}=8*\frac{2}{1}=16\\\\h)\\\\\frac{1}{3}:3=\frac{1}{3}*\frac{1}{3}=\frac{1}{9}[/tex]
[tex]4a)\\\\ \frac{\not{7}^1}{\not{12}^2}*\frac{\not{6}^1}{\not{7}^1}=\frac{1}{2}\\\\b)\\\\1\frac{2}{3}*5=\frac{5}{3}*5=\frac{25}{3}=8\frac{1}{3}\\\\c)\\\\2\frac{1}{5}*1\frac{2}{11}= \frac{\not{11}^1}{5}* \frac{13}{\not{11}^1}=\frac{13}{5}=2\frac{3}{5}[/tex]
[tex]d)\\\\3\frac{5}{24}*1\frac{43}{77}= \frac{\not{77}^1}{\not{4}^1}*\frac{\not{120}^{30}}{\not{77}^1}=30\\\\e)\\\\\frac{3}{5}:\frac{12}{10}=\frac{3}{5}:\frac{6}{5}=\frac{\not{3}^1}{\not{5}^1}*\frac{\not{5}^1}{\not{6}^2}= \frac{1}{2}\\\\f)\\\\1\frac{4}{9}:\frac{2}{9}=\frac{13}{\not{9}^1}*\frac{\not{9}^1}{2}=\frac{13}{2}=6\frac{1}{2}[/tex]
[tex]g)\\\\14:3\frac{1}{2}=14:\frac{7}{2}=\not{14}^2*\frac{2}{\not{7}^1}=4\\\\h)\\\\2\frac{7}{9}:25=\frac{\not{25}^1}{9} *\frac{1}{\not{25}^1}=\frac{1}{9}[/tex]
