## Editorial for JDCC '16 Contest 2 P1 - Simplify

Remember to use this editorial

**only**when stuck, and**not to copy-paste code from it**. Please be respectful to the problem author and editorialist.**Submitting an official solution before solving the problem yourself is a bannable offence.**Author:

To simplify a fraction you find the greatest common denominator (GCD) and divide both the numerator and the denominator by it.

Iterating through the smaller number is sufficient for the problem for

However a faster algorithm is using Euclid's algorithm for GCD.

```
int gcd(int a, int b) {
if (b == 0) return a;
return gcd(b, a % b);
}
```

**Time Complexity:**

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