a)
[tex] \frac{3}{7} \div 2 = \frac{3}{7} \times \frac{1}{2} = \frac{3}{14} [/tex]
[tex] \frac{4}{5} \div 2 = \frac{4}{5} \times \frac{1}{2} = \frac{4}{10} = \frac{2}{5} [/tex]
[tex]2 \frac{1}{5} \div 2 = \frac{11}{5} \times \frac{1}{2} = \frac{11}{10} = 1 \frac{1}{10} [/tex]
[tex]6 \frac{1}{4} \div 2 = \frac{25}{4} \times \frac{1}{2} = \frac{25}{8} = 3 \frac{1}{8} [/tex]
b)
[tex] \frac{3}{4} \div 3 = \frac{3}{4} \times \frac{1}{3} = \frac{3}{12} = \frac{1}{4} [/tex]
[tex] \frac{12}{17} \div 3 = \frac{12}{17} \times \frac{1}{3} = \frac{4}{17} \times \frac{1}{1} = \frac{4}{17} [/tex]
[tex]6 \frac{3}{4} \div 3 = \frac{27}{4} \times \frac{1}{3} = \frac{9}{4} \times \frac{1}{1} = \frac{9}{4} = 2 \frac{1}{4} [/tex]
[tex]12 \frac{9}{10} \div 3 = \frac{129}{10} \times \frac{1}{3} = \frac{129}{30} = 4 \frac{9}{30} = 4 \frac{3}{10} [/tex]
