Question

rut gon phan so 

65 phan 91 =

1414 phan 1919 =

Answer 1

65/91=5/7

1414/1919=14/19

ai k mik mik k lại

Answer 2

\(\frac{65}{91}=\frac{65:13}{91:13}=\frac{5}{7}\)

\(\frac{1414}{1919}=\frac{1414:101}{1919:101}=\frac{14}{19}\)

Answer 3

\(\frac{65}{91}=\frac{5}{7}\);    \(\frac{1414}{1919}=\frac{14}{19}\)