Question

How to change a repeating decimal into a fraction?

Answer 1

which one?

Answer 2

\(\overline{.4}=\frac{4}{9}\) for example , whereas \(\overline{.12}=\frac{12}{99}\)

Answer 3

x= 0.444
10x= 4.444. Subtract. We multiplied by 10 because only one number repeated
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-9x=-4
X= 4/9

Answer 4

x=0.1212. Two repeating numbers so we multiply by 100
100x=12.1212
__________. Subtract
-99x=-12
X=-12/-99 = 12/99= 4/33