2) Запишите несколько дробей, равных: 1/2; 3/5; 2/3; 1/3; 4/7; 5/7.

\(\frac12=\frac24=\frac36=\frac48\); \(\frac35=\frac6{10}=\frac9{15}=\frac{12}{20}\); \(\frac23=\frac46=\frac68=\frac{10}{15}\).

\(\frac13=\frac26=\frac39=\frac4{12}\); \(\frac47=\frac8{14}=\frac{12}{21}=\frac{16}{28}\); \(\frac57=\frac{10}{14}=\frac{15}{21}=\frac{20}{28}\).