Answer:

Explanation:
to make a fraction, that equals a specific hundredth or thousandth, you have to divide it by 1 plus how many zeroes you need to the point where you an excess 0.
ex. 0.685
=

ex 2. 0.5645

for 0.424, you'll have to divide by 1000

now you have to simplify :)
=
=

Hope this helps! If you have any questions, feel free to ask :)