algebra ll
posted by
kim on
.
divide and simplify
5y5/21 divided by y1/33y

sigh 
Damon,
oh well, I suppose if you knew the how and why of parentheses you would not have asked the question in the first place.

algebra ll 
Damon,
I am going to guess at what you might mean.
[ 5(y1)/21 ] / [ (y1)/(33y) ]
5 (33y)/21 = 5(11y)/7 = (55/7) y