phân số lớn hơn là:345345/347347

272727/292929

19/29

ta có 191919/292929= 19/29 nên phân số 191919/292929 rút gọn đc thành 19/29

t

272727/292929>25252525/37373737

Tk nha

\(\frac{292929-404}{4.797979+909}\)=\(\frac{292525}{4798888}\)=\(\frac{11701}{599861}\)

a) \(\frac{171717}{292929}=\frac{171717:10101}{292929:10101}=\frac{17}{29}\)

b) \(\frac{3344}{1212}=\frac{3344:4}{1212:4}=\frac{836}{303}\)

c) \(\frac{20192019}{20172017}=\frac{20192019:10001}{20172017:10001}=\frac{2019}{2017}\)

a)  17/29(chia cho 10101) 

B) 836/303( chia 4) 

C) 2019/2017(chia 10001) 

a) \(\frac{171717}{292929}=\frac{17}{29}\)

b) \(\frac{3344}{1212}=\frac{836}{303}\)

c) \(\frac{20192019}{20172017}=\frac{2019}{2017}\)

\(\frac{3}{8}\)

Hok T~

Ta có :

\(\frac{272727}{727272}=\frac{272727\div90909}{727272\div90909}=\frac{3}{8}\)

272727/727272=272727/727272 :9=333/888

Ấy chết sai !

\(\frac{272727}{323232}=\frac{272727\div10101}{323232\div10101}=\frac{27}{32}\)

Đáp số : \(\frac{27}{32}\)

Ta có: \(\frac{272727}{323232}=\frac{272727:10101}{323232:10101}=\frac{27}{32}\)

\(\frac{272727}{323232}=\frac{272727:101}{323232:101}=\frac{27}{32}\)

\(\frac{272727}{323232}=\frac{27\times10101}{32\times10101}=\frac{27}{32}\)

\(\frac{430430}{560560}=\frac{10010\times43}{10010\times56}=\frac{43}{56}\)

ta co \(\frac{272727}{323232}=\frac{27}{32};\frac{430430}{560560}=\frac{43}{56}\)

vi 27/32>43/56

=>       ..............

272727   272727:10101    27              430430       430430:1001            430

---------=   ------------------- = -------------  ; -----------  =   -----------------------  =    ------

323232    323232:10101     32           560560         560560:1001           560