Question

transforme em fraçaos essas dizimas periodicas 2,4333..

4,28181...

3,145454545...

Answer 1

2,4333... = $2+ \frac{43-4}{90}=2+ \frac{39}{90}= \frac{219}{90}$

4,28181...= $4+ \frac{281-2}{990}=4+ \frac{279}{990}=4+ \frac{31}{110}= \frac{471}{110}$

3,145454...=$3+ \frac{1454-14}{9900}=3+ \frac{1440}{9900}=3+ \frac{144}{990}=3+ \frac{8}{55}= \frac{173}{55}$