Fraction to Recurring Decimal
Understand how to implement a function that converts a given fraction into its decimal string representation. Learn to detect recurring decimal parts and enclose them in parentheses using hash maps. This lesson equips you to handle fractions with repeating decimals, a frequent challenge in coding interviews.
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Statement
Given the two integer values of a fraction, numerator and denominator, implement a function that returns the fraction in string format. If the fractional part repeats, enclose the repeating part in parentheses.
Constraints:
denominator-
numerator,denominator
Examples
Understand the problem
Let’s take a moment to make sure you’ve correctly understood the problem. The quiz below helps you check if you’re solving the correct problem:
Fraction to Recurring Decimal
Select the correct answer for the fraction given below:
20/4
“2”
“3”
“4”
“5”
Figure it out!
We have a game for you to play. Rearrange the logical building blocks to develop a clearer understanding of how to solve this problem.
Try it yourself
Implement your solution in the following coding playground.
import java.util.*;public class Solution{public static String fractionToDecimal (int numerator, int denominator) {// Replace this placeholder return statement with your codereturn "";}}