Question

[Trần Ngọc Bảo Thy]

So sanh hai phan so ( ko quy dong mau so ) : 404/505 va 8/10

Answer 1

[Nguyễn Tiến Đức]

404/505=4/5

8/10=4/5

=> 404/505=8/10

Answer 2

[no name]

\(\frac{404}{505}=\frac{4.101}{5.101}=\frac{4}{5}\)

\(\frac{8}{10}=\frac{8:2}{10:2}=\frac{4}{5}\)

vì \(\frac{4}{5}=\frac{4}{5}\)

nên \(\frac{404}{505}=\frac{8}{10}\)