Determine a fração geratriz: a) 0,199... b) 1,177... c) 2,1919... d)0,1717... e) 0,2121... f) 0,4777... (já simplificada)
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a) ![\frac{18}{90} = \frac{1}{5} \frac{18}{90} = \frac{1}{5}](https://tex.z-dn.net/?f=+%5Cfrac%7B18%7D%7B90%7D+%3D+%5Cfrac%7B1%7D%7B5%7D+)
b)![1\frac{16}{90} = 1 \frac{8}{45} = \frac{53}{45} 1\frac{16}{90} = 1 \frac{8}{45} = \frac{53}{45}](https://tex.z-dn.net/?f=1%5Cfrac%7B16%7D%7B90%7D+%3D+1+%5Cfrac%7B8%7D%7B45%7D+%3D++%5Cfrac%7B53%7D%7B45%7D+)
c)![2\frac{19}{99} = \frac{217}{99} 2\frac{19}{99} = \frac{217}{99}](https://tex.z-dn.net/?f=+2%5Cfrac%7B19%7D%7B99%7D+%3D++%5Cfrac%7B217%7D%7B99%7D+)
d)![\frac{17}{99} \frac{17}{99}](https://tex.z-dn.net/?f=+%5Cfrac%7B17%7D%7B99%7D+)
e)![\frac{21}{99} = \frac{7}{33} \frac{21}{99} = \frac{7}{33}](https://tex.z-dn.net/?f=+%5Cfrac%7B21%7D%7B99%7D+%3D++%5Cfrac%7B7%7D%7B33%7D++)
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