How to divide a whole number by a fraction?

Multiply the bottom number of the fraction by the whole number.Simplify the fraction (if needed)

Hope this helps. :)

Make the whole number a fraction by putting a 1 under it.
Example:
in 12 divided by 2/3 it be.
12/1 divided bye 2/3.
then when it is set up like this:
12      2
---   / --- = 
 1       3
you cross multiply ;)