PA-HELP POH ☹️

perform the indicated operations and reduce the answer to lowest terms.
1. 3/5 + 4/5 =
2. x/3 - y/3 =
3. 7/a 2/a =
4. 12/x+y + 8/x+y =
5. 3a/ab 2a/ab =
6. x-3/3x+1 + x+5/3x+1 =
7. 4x/4x-y - 2x/4x-y =
8. 2+x/x-7 + x-1/x-7 =
9. 9ab/cd2 - 7ab/cd2 =
10. 2x+3/4 + x-3/4 =

..THANKS.. ​