Question

Escreva sob a forma de fraccao irredutuvel as seguintes dizimas perioticas
a) -0,888..
b) 0,3737
c) 0,261261
d) -1,2323...
e) 0,0505
f) 0,5444

Answer 1

$a) -0,888...= \frac{-8}{9}\\ b) 0,3737...= \frac{37}{99}\\c)0,261261...= \frac{261}{999}=87/333\\\\d)-1,232323...=-1- \frac{23}{99}= \frac{-122}{99}\\\\e)0,0505...= \frac{5}{99}\\\\f)0,5444...= \frac{54-5}{90}= \frac{49}{90}$