an example of a repeating decimal is 0.33333333333333.......in this case the fraction is 1/3 another example is 0.66666666666 and the fraction is 2/3
0.2 a repeating decimal into a fraction = 2/9
Just have a go.
sexx
0.999 repeating = 1 (the integer).
998/999
123/999
0.3333 repeating
998/999
You can round the decimal fraction to a suitable level of accuracy. Alternatively, you can convert the number to a rational fraction.
5/36 = 0.138888(repeating)
123/999 = 41/333
To convert a fraction to a decimal, divide the top number by the bottom number.