Question

So sánh hai phân số   và  

Answer 1

\(\dfrac{2}{3}\) và \(\dfrac{3}{4}\) 

Ta có: \(1-\dfrac{2}{3}=\dfrac{1}{3}\) ; \(1-\dfrac{3}{4}=\dfrac{1}{4}\) 

 Vì \(\dfrac{1}{3}>\dfrac{1}{4}\) nên \(\dfrac{2}{3}< \dfrac{3}{4}\)

Answer 2

2/3=8/12

3/4=9/12

mà 8<9

nên 2/3<3/4

Answer 3

2/3 < 3/4 nha 

vi : 2/3 = 8/12 . 3/4 = 9/12