Create Fraction to Recurring Decimal

Given two integers representing the numerator and denominator of a fraction, return the fraction in string format.
If the fractional part is repeating, enclose the repeating part in parentheses.

For example, 
	•Given numerator = 1, denominator = 2, return "0.5".
	•Given numerator = 2, denominator = 1, return "2".
	•Given numerator = 2, denominator = 3, return "0.(6)"