rút gọn phân số 121/99 mìn cần gấp
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\(\dfrac{15}{35}=\dfrac{15:5}{35:5}=\dfrac{3}{7}\)
\(\dfrac{24}{27}=\dfrac{24:3}{27:3}=\dfrac{8}{9}\)
\(\dfrac{17}{50}\) ( phân số dã tối giản )
\(\dfrac{15}{45}=\dfrac{15:3}{45:3}=\dfrac{5}{15}=\dfrac{5:5}{15:5}=\dfrac{1}{3}\)
\(\dfrac{99}{121}=\dfrac{99:11}{121:11}=\dfrac{9}{11}\)
`24/27` chưa được rút gọn nha:'>
\(\dfrac{24}{27}=\dfrac{24:3}{27:3}=\dfrac{8}{9}\)
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a: Phân số tối giản là 25/27; 77/79
b: 51/34=3/2
77/99=7/9
120/201=40/67
351/621=13/23
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21/15=21:3/15:3=7/5
11/121=11:11/121:11=1/11
27/72=27:9/72:9=3/8
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\(\dfrac{12}{18}=\dfrac{12:6}{18:6}=\dfrac{2}{3}\)
\(\dfrac{49}{21}=\dfrac{49:7}{21:7}=\dfrac{7}{3}\)
\(\dfrac{15}{35}=\dfrac{15:5}{35:5}=\dfrac{3}{7}\)
\(\dfrac{26}{34}=\dfrac{26:2}{34:2}=\dfrac{13}{17}\)
\(\dfrac{11}{121}=\dfrac{11:11}{121:11}=\dfrac{1}{11}\)
\(\dfrac{12}{18}=\dfrac{12:6}{18:6}=\dfrac{2}{3};\dfrac{49}{21}=\dfrac{49:7}{21:7}=\dfrac{7}{3};\dfrac{15}{35}=\dfrac{15:5}{35:5}=\dfrac{3}{7};\dfrac{26}{34}=\dfrac{26:2}{34:2}=\dfrac{13}{17};\dfrac{11}{121}=\dfrac{11:11}{121:11}=\dfrac{1}{11}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
121/143=11/13
1212/1414=6/7
123123/456456=123/456=41/152
121/99 =11/9
bằng 11/9 nhé!