Question

[Nguyen Hai Yen]

so sanh phan so bang cach hop li

a) \(\frac{2013}{2014}\) va \(\frac{2014}{2015}\)

b)\(\frac{44}{135}va\frac{81}{241}\)

Answer 1

[Siêu Quậy Quỳnh]

a) Ta có \(\frac{2013}{2014}=1-\frac{1}{2014}\)và \(\frac{2014}{2015}=1-\frac{1}{2015}\)

mà  \(\frac{1}{2014}>\frac{1}{2015}\)nên \(\frac{2013}{2014}< \frac{2014}{2015}\)