Question

Me ajudem, por favor?

Answer 1

$a) \: 0.8 = \frac{8}{10} = \frac{4}{5} \\ \\ b)0.20 = \frac{2}{10} = \frac{1}{5} \\ \\ c) 1.25 = \frac{125}{100} = \frac{5}{4} \\ \\ d) 40.5 = \frac{405}{10} = \frac{81}{2}$