\(\frac{505050}{707070}=\frac{505050:101010}{707070:101010}\)= \(\frac{5}{7}\)
\(\frac{2525}{3535}=\frac{2525:505}{3535:505}=\frac{5}{7}\)
Vậy hai phân số \(\frac{2525}{3535}\)và \(\frac{505050}{707070}\)bằng nhau
rút gọn \(\frac{2525}{3535}\)=\(\frac{5}{7}\);\(\frac{505050}{707070}\)=\(\frac{5}{7}\)
vì \(\frac{5}{7}\)=\(\frac{5}{7}\)\(\Rightarrow\)\(\frac{2525}{3535}\)=\(\frac{505050}{707070}\)