Question

escreva em forma de fração irredutivél as dizimas periodicas:
a)0,272727...
b)1,444...
c)0,31222
d)1,7555
e)0,291

Answer 1

a)0,272727...= 27/99 = 9/33=3/11

b)1,444...= 1+4/9 = 13/9

c)0,31222... = $\frac{312-31}{900}= \frac{281}{900}$

d)1,7555...= $1+ \frac{75-7}{90}=1+ \frac{68}{90} =1+ \frac{34}{45}= \frac{79}{45}$

e)0,291... = 291/999=97/333