Practice adding and then simplify if you can
1 ) 2 /10 + 4 /10 =
2 ) 1/ 7 + 2/ 7 =
3 ) 1/ 12 + 1/12 =
4 ) 4/ 9 + 4/ 9 =
5 ) 2/ 12 + 3 /12 =
6 ) 2/ 8 + 3/ 8 =
7 ) 1/ 4 + 2 /4 =
8 ) 2/ 9 + 5/ 9 =
9 ) 1/ 12 + 8/ 12 =
10 ) 4/ 10 + 5/ 10 =
http://www.math-aids.com/cgi/pdf_viewer_3.cgi?script_name=fractions_adding_simple.pl&difficult=0&probs=10&language=0&memo=&answer=1&x=64&y=2
