1/5+2/5=
3 4/6- 2 1/6=
5 1/4+ 2 1/4=
5 2/7-2 1/7=
please help
21 pts
3 4/6- 2 1/6=
5 1/4+ 2 1/4=
5 2/7-2 1/7=
please help