Posted by Allysiah on .
5/21.(7/15)

arithmetic 
Ms. Sue,
Change these to equivalent fractions with a common denominator.

algebra2 
Allysiah,
i still don't get it

algebra2 
Ms. Sue,
Why are you using "algebra 2" as your subject when obviously this is elementary arithmetic?
Study this site for equivalent fractions.
http://www.mathsisfun.com/equivalent_fractions.html