If one is subtracted from each of the numerator and denominator of a fraction, it becomes \( {1 \over 4}\). If 5 is added to each of the numerator and denominator, the fraction becomes \(1\over 2\). The difference between 11 times the numerator and 3 times the denominator of the original fraction is:
1
4
2
5
3
6
4
7