The question could refer to either 0.7272... or to 0.7222... and there is nothing in the question to suggest that it should be one rather than the other.
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0.78 repeating as a fraction = 78/99
What is 1.49 repeating (9 is repeating)
0.54 repeating as a fraction = 54/99 or 6/11
As a fraction it is 193/990 = .1'94' repeating '94'
If you mean: 0.181818.....18 repeating then as a fraction it is 2/11