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\(\frac{6}{9}=\frac{6:3}{9:3}=\frac{2}{3}\)
\(\frac{18}{48}=\frac{18:2}{48:2}=\frac{9}{24}\)
\(\frac{72}{84}=\frac{72:12}{84:12}=\frac{6}{7}\)
\(\frac{1212}{3939}=\frac{1212:101}{3939:101}=\frac{12}{39}\)
TL
\(\frac{6}{9}=\frac{2}{3}\)
\(\frac{18}{48}=\frac{3}{8}\)
\(\frac{72}{84}=\frac{6}{7}\)
\(\frac{1212}{3939}=\frac{4}{13}\)
nha bn\
HT
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{1313}{1818}\)= \(\frac{1313:101}{1818:101}\)=\(\frac{13}{18}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
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a,1818:101=18 b,123123:1001=123
2727:101=27 345345:1001=345
18/27=2/3 123/345=41/115
![](https://rs.olm.vn/images/avt/0.png?1311)
121/143=11/13
1212/1414=6/7
123123/456456=123/456=41/152
![](https://rs.olm.vn/images/avt/0.png?1311)
a:\(\dfrac{12}{13}\)
b:\(\dfrac{12}{13}\)
c:\(\dfrac{121}{131}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
1212/3939=4/13
3131/3535=31/35
tk mình nhé bạn
Thank you vẻy much
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{16}{28}=\frac{16:4}{28:4}=\frac{4}{7}\)
\(\frac{1212}{1515}=\frac{1212:303}{1515:303}=\frac{4}{5}\)
1212/1818=1212:606/1818:606=2/3 nha
~HT~
K CHO MÌNH NHA mình đang tăng SP
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\(\frac{1212}{1818}=\frac{2}{3}\)