Rút gọn các phân số sau:

135/195

117/711

1999/9995

1414/2727

121121/363363

1530/2550

1339/2472

123246/204408

$\frac{135}{195}$ = $\frac{135:15}{195:15}$ = $\frac{9}{13}$

$\frac{117}{711}$ =$\frac{117:9}{711:9}$ =$\frac{13}{79}$

$\frac{1999}{9995}$ =$\frac{1999:1999}{9995:1999}$ =$\frac{1}{5}$

$\frac{1414}{2727}$ =$\frac{1414:101}{2727:101}$ =$\frac{14}{27}$

$\frac{121121}{363363}$ =$\frac{121121:121121}{363363:121121}$ =$\frac{1}{3}$

$\frac{1530}{2550}$ =$\frac{1530:510}{2550:510}$ =$\frac{3}{5}$ $\frac{1339}{2472}$ =$\frac{1339:103}{2472:103}$ =$\frac{13}{24}$ 

$\frac{123246}{204408}$ =$\frac{123246:3006}{204408:3006}$ =$\frac{41}{68}$

#nguyenkhanhthaonguyen

#Good luck to you !