Чему равна разность дробей:

\(\displaystyle \frac{6}{15}-\frac{2}{15}=\,?\)

• \(\displaystyle \frac{1}{15}\)
• \(\displaystyle \frac{3}{11}\)
• \(\displaystyle \frac{3}{15}\)
• \(\displaystyle \frac{4}{15}\)