\(\frac{14}{16}\) - \(\frac{6}{21}\)
\(\frac{9}{22}\) - \(\frac{9}{33}\)
\(\frac{8}{15}\)+ \(\frac{4}{21}\)
\(\frac{15}{24}+2\)
\(\frac{4}{5}-\frac{1}{3}+\frac{1}{2}\)
\(\frac{5}{6}+\frac{3}{8}+\frac{1}{10}\)
\(\frac{1}{2}+\frac{1}{6}+\frac{1}{12}+\frac{1}{20}+\frac{1}{30}\)
Dùng máy tính đấy em ơi