\(\frac{3}{5}\) ÷ 4 \(\frac{4}{5}\) இன் \(\frac{5}{16}\) + \(\frac{2}{3}\) ÷ \(\frac{8}{15}\) × 1 \(\frac{1}{5}\) - \(\frac{1}{4}\) × \(\frac{3}{4}\) ÷ 1 \(\frac{1}{4}\) இன் \(\frac{2}{5}\) :
1
\(\frac{61}{40}\)
2
\(\frac{12}{5}\)
3
\(\frac{9}{4}\)
4
\(\frac{21}{10}\)