The number divided by was 32/45
Explanation:Let the unknown number be x
Then 3 1/5÷x=4 1/2
Write as
16/5÷x=9/2
Suppose we had the common denominator of 10 then we would have:
32/10÷x=45/10
Get rid of the 10: multiply through out by 10 giving:
32÷x=45
⇒32x=45
⇒x=32/45