If the numerator of a fraction is increased by 20% and the denominator is decreased by 30%, the fraction obtained is \(\frac{{39}}{{25}}\). The original fraction is:
1
\(\frac{{67}}{{75}}\)
2
\(\frac{{100}}{{91}}\)
3
\(\frac{{75}}{{68}}\)
4
\(\frac{{91}}{{100}}\)