Question

Como determinar a fração 23,4999...?

Answer 1

x = 23,49999...

10x = 234,9999...

100x = 2349,9999...

100x - 10x = 2349,999... - 234,9999...

90x = 2115

x = \frac{2115}{90}    dividindo por 45

x = \frac{47/2}