§5. Обыкновенные дроби — Упражнения — 5.334 — стр. 58

\(\frac{33}{99} = \frac{33 \div 33}{99 \div 33} = \frac{1}{3}; \)

\(\frac{150}{125} = \frac{150 \div 25}{125 \div 25} = \frac{6}{5}; \)

\(\frac{25}{100} = \frac{25 \div 25}{100 \div 25} = \frac{1}{4}; \)

\(\frac{14}{210} = \frac{14 \div 14}{210 \div 14} = \frac{1}{15}; \)

\(\frac{150}{1000} = \frac{150 \div 50}{1000 \div 50} = \frac{3}{20}; \)

\(\frac{1000}{25000} = \frac{1000 \div 1000}{25000 \div 1000} = \frac{1}{25}; \)

\(\frac{264}{148} = \frac{264 \div 4}{148 \div 4} = \frac{66}{37}\).

\(\frac{45}{630} = \frac{45 \div 45}{630 \div 45} = \frac{1}{14}; \)

\(\frac{30}{64} = \frac{30\div 2}{64\div 2} = \frac{15}{32};\)

\(\frac{125}{500} = \frac{125 \div 125}{500 \div 125} = \frac{1}{4}; \)

\(\frac{7}{217} = \frac{7\div 7}{217\div 7} = \frac{1}{31}; \)

\(\frac{12}{600} = \frac{12 \div 12}{600 \div 12} = \frac{1}{50}; \)

\(\frac{75}{300} = \frac{75 \div 75}{300 \div 75} = \frac{1}{4}; \)

\(\frac{140}{210} = \frac{140 \div 70}{210 \div 70} = \frac{2}{3}\).