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a) \(\frac{6}{9}=\frac{6:3}{9:3}=\frac{2}{3}\)
b)\(\frac{10}{48}=\frac{10:2}{48:2}=\frac{5}{24}\)
c)\(\frac{72}{84}=\frac{72:12}{84:12}=\frac{6}{7}\)
d)\(\frac{1212}{3939}=\frac{1212:303}{3939:303}=\frac{4}{13}\)
#H
Rút gọn phân số:
\(\frac{6}{9}=\frac{6\div3}{9\div3}=\frac{2}{3}\)
\(\frac{10}{48}=\frac{10\div2}{48\div2}=\frac{5}{24}\)
\(\frac{72}{84}=\frac{72\div12}{84\div12}=\frac{6}{7}\)
\(\frac{1212}{3939}=\frac{1212\div303}{3939\div303}=\frac{4}{13}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{6}{9}=\frac{6:3}{9:3}=\frac{2}{3}\)
\(\frac{18}{48}=\frac{18:2}{48:2}=\frac{9}{24}\)
\(\frac{72}{84}=\frac{72:12}{84:12}=\frac{6}{7}\)
\(\frac{1212}{3939}=\frac{1212:101}{3939:101}=\frac{12}{39}\)
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)
\(\dfrac{18}{48}=\dfrac{3}{8}\)
\(\dfrac{72}{3939}=\dfrac{24}{1313}\)
\(\dfrac{1212}{3939}=\dfrac{4}{13}\)
![](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
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![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{72}{96}=\frac{72\div24}{96\div24}=\frac{3}{4}\)
72/96 = 72 : 24 / 96 : 24 = 3/4
lưu ý:
/ : là ngăn cách phân số
: chia
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{72}{84}\)=\(\frac{6}{7}\)
\(\frac{1212}{3939}\)=\(\frac{4}{13}\)
trả lời:
\(\frac{72}{84}=\frac{18}{21}=\frac{6}{7}\)
\(\frac{1212}{3939}=\frac{1212:101}{3939:101}=\frac{12}{39}=\frac{4}{13}\)
học tốt