a) \frac{10}{4}=\frac{5}{2}= 2$\frac{1}{2}$
b)\frac{125}{20}=\frac{25}{4}=6$\frac{1}{4}$
c)\frac{90}{12}=\frac{15}{2}=7$\frac{1}{2}$
d)\frac{900}{810}=\frac{10}{9}=1$\frac{1}{9}$
e$\frac{750}{500}=\frac{15}{10}=1\frac{5}{10}=1\frac{1}{2}$
f)8000/1500$\frac{8000}{1500}=\frac{80}{15}=5\frac{5}{15}=5\frac{1}{3}$