1. 1 1/5 + 2 2/5 =
2. 4 3/8 + 3 1/2 + 4 1/4=
3. 14 2/3 - 5 6/18=
4. 16 1/14 - 12 8/21=
5. 5 3/5 x 3 4/7=
6. 8 x 2 1/4=
7. 2/3 x 4/5
8. 1/3 ÷ 3=
9. 10/9 ÷ 1/3=
10. 3 3/4 ÷ 1 1/4