To change terminating decimals to fractions, simply remember that all numbers to the right of the decimal point are fractions with denominators of only 10, 100, 1,000, 10,000, and so on. Next, use the technique of
read it,
write it, and
reduce it (that is, simplify).
Change the following to fractions in lowest terms.
0.8
0.09
Read it: 0.8 (eight tenths)
Write it: 
Simplify it: 
Read it: 0.09 (nine hundredths)
Write it: 
Simplify it:
can't be simplified.