To convert from a decimal to a fraction, count the number of decimal places to obtain a power of 10, express the decimal as a fraction with a denominator to that power of 10, and then simplify.
Example
Convert 0.35 to a fraction
Solution
There are two decimal places, so the power of 10 is 2, therefore the denominator is 102= 100
0.35= 35100
=7/20