[tex]a) \frac{3}{8} \div \frac{2}{5} = [/tex]

[tex] \frac{3}{8} \times \frac{5}{2} = [/tex]

[tex] \frac{15}{16} = 0.9375[/tex]

[tex]b) \frac{1}{4} \div \frac{3}{2} = [/tex]

[tex] \frac{1}{4} \times \frac{2}{3} = [/tex]

[tex] \frac{2( \div 2)}{12( \div 2)} = [/tex]

[tex] \frac{1}{6} = 0.16[/tex]

[tex]c) \frac{3}{8} \div \frac{9}{2} = [/tex]

[tex] \frac{3}{8} \times \frac{2}{9} = [/tex]

[tex] \frac{6( \div 2)}{72( \div 2)} = [/tex]

[tex] \frac{3( \div 3)}{36( \div 3)} = [/tex]

[tex] \frac{1}{12} = 0.08[/tex]

[tex]d) \frac{5}{6} \div \frac{1}{2} = [/tex]

[tex] \frac{5}{6} \times \frac{2}{1} = [/tex]

[tex] \frac{10( \div 2)}{6( \div 2)} = [/tex]

[tex] \frac{5}{3} = 1.66[/tex]