Ответ:
- \(\frac{3}{5}-\frac{1}{5}=\frac{2}{5}\);
- \(\frac{7}{20}-\frac{3}{20}=\frac{4}{20}=\frac{1}{5}\);
- \(\frac{12}{16}-\frac{3}{16}=\frac{9}{16}\);
- \(\frac{16}{27}-\frac{8}{27}=\frac{8}{27}\);
- \(\frac{10}{9}-\frac{8}{9}=\frac{2}{9}\);
- \(\frac{9}{10}-\frac{2}{10}=\frac{7}{10}\);
- \(\frac{5}{13}-\frac{1}{13}=\frac{4}{13}\);
- \(\frac{1}{2}-\frac{1}{4}=\frac{2}{4}-\frac{1}{4}=\frac{1}{4}\);
- \(\frac{5}{9}-\frac{1}{3}=\frac{5}{9}-\frac{3}{9}=\frac{2}{9}\);
- \(\frac{7}{10}-\frac{3}{5}=\frac{7}{10}-\frac{6}{10}=\frac{1}{10}\);
- \(\frac{16}{27}-\frac{1}{9}=\frac{16}{27}-\frac{3}{27}=\frac{13}{27}\);
- \(\frac{3}{5}-\frac{13}{45}=\frac{27}{45}-\frac{13}{45}=\frac{14}{45}\);
- \(\frac{1}{3}-\frac{8}{27}=\frac{9}{27}-\frac{8}{27}=\frac{1}{27}\);
- \(\frac{1}{2}-\frac{1}{3}=\frac{3}{6}-\frac{2}{6}=\frac{1}{6}\);
- \(\frac{3}{5}-\frac{1}{3}=\frac{9}{15}-\frac{5}{15}=\frac{4}{15}\).
