i. Two and three quarters
\(2\frac{3}{4}\) = 2.75
ii. Ten and a half
\(10\frac{1}{2}\) = 10.5 = 10.50
iii. Fourteen and three quarters
\(14\frac{3}{4}\) = 14.75
iv. Sixteen and a quarter
\(16\frac{1}{4}\) = 16.25
v. Twenty-eight and a half
\(28\frac{1}{2}\) = 28.50 = 28.5