Find the total. Reduce the answer to the simplest form.

1. 2/10 + 1/10 + 3/10 =
2. 3/9 + 1/9 + 5/9 =
3. 6/12 + 2/12 + 3/12 =
4. 1/20 + 7/20 + 3/20 =
5. 2/24 + 4/24 + 6/24 =​