algebra
posted by vern .
sam has a science test on thursday. on monday he studies 3/8 of the material. on tuesday he studies 1/3 of the material. how much material has he studied

3/8 + 1/3
Find the common denominator.
3/8 = 9/24
1/3 = 8/24
9/24 + 8/24 = 17/24