\(\)RÚT GỌN CÁC PHÂN SỐ SAU:
a)\(\frac{6}{10}\);\(\frac{6}{16}\);\(\frac{-15}{-20}\);\(\frac{-10}{30}\)
b)\(\frac{42}{28}\);\(\frac{54}{-21}\);\(\frac{-27}{33}\);\(\frac{25}{14}\)
c\(\frac{125}{1000}\);\(\frac{198}{126}\);\(\frac{3}{243}\);\(\frac{103}{3090}\)
d)\(\frac{2.3}{7.10}\)
e\(\frac{2.3}{9.14}\)
f\(\frac{3.25}{4.21}\)
g\(\frac{4.7}{5.21}\)