Question

[vu ngoc anh]

Hay rut gon cac phan so sau :

 9 phan 6 ; 12 phan 4 va 90 phan 70

 Cac ban hay rut gon va doc giong nhu minh nhe.

Answer 1

[Trung Đỗ Nguyễn Đức]

3 phan 2

12 phan 4 bang 3

9 phan 7

tk nha

Answer 2

[sakura]

\(\frac{9}{6}=\frac{9\div3}{6\div3}=\frac{3}{2}\)

\(\frac{12}{4}=\frac{12:4}{4:4}=\frac{3}{1}=3\)

\(\frac{90}{70}=\frac{90:10}{70:10}=\frac{9}{7}\)

rút gọn bằng cách chia nha

k mik nha bn