Question

Encontre as frações irredutíveis correspondentes as seguintes percentagens a) 65 % = b) 80 % = c) 15 % = d) 40 % =​

Answer 1

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$a) \: \frac{65}{100} = > \frac{12}{20} \\ \\ r) \frac{13}{20}$

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$b) \: \frac{85}{100} = > \frac{17}{20} \\ \\ r) \frac{17}{20}$

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$c) \: \frac{15}{100} = > \frac{3}{20} \\ \\ r) \frac{3}{20}$

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$d) \: \frac{40}{100} = > \frac{2}{5} \\ \\ r) \frac{2}{5}$

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Att: MarcosPCV