Write the fractions of the previous problem in simplified form.

a) [[$ 28 \% = \displaystyle\frac {28} {100} = $]]

b) [[$ 44 \% = \displaystyle\frac {44} {100} = $]]

c) [[$ 85 \% = \displaystyle\frac {85} {100} = $]]

d) [[$ 1 \% = \displaystyle\frac {1} {100} = $]]