Shanaiatwaingo Shanaiatwaingo Math Answered add or subtract.express yo1ur answer in simplest form3/4+2/45/8+4/83/10+5/10+2/103/12+7/12+2/123/11+6/11+1/11----------------------- subtract10/3-4/38/4-3/412/15-8/159/12-5/1215/18-3/18