Question

escreva as frações abaixo em porcentagem

a)2/5



b)3/6 ​

Answer 1

A)

$\LARGE\tt{} \dfrac{2}{5} \\ \\ \LARGE\tt{} \dfrac{2}{5} \times \dfrac{20}{20} \\ \\\LARGE\tt{} \dfrac{2 \times 20}{5 \times 20} \\ \\ \LARGE\tt{} \dfrac{40}{100} \\ \\ \LARGE\tt{} \boxed{40\%}$

B)

$\LARGE\tt{} \dfrac{3}{6} \\ \\ \LARGE\tt{} \frac{\cancel{3}}{\cancel{6}} \\ \\ \LARGE\tt{} \dfrac{1}{2} \\ \\ \LARGE\tt{} \dfrac{1}{2} \times \dfrac{50}{50} \\ \\ \LARGE\tt{} \dfrac{1 \times 50}{2 \times 50} \\ \\ \LARGE\tt{} \dfrac{50}{100} \\ \\ \LARGE\tt{} \boxed{50\%}$

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