Grade 7 Adding Rational Numbers

Add. Watch the signs, and write each answer in simplest form.

1. 1.-1 + 7 =
2. 2.-8.9 + 1.3 =
3. 3.-2 2/3 + (-1 1/6) =
4. 4.-14 + 18 =
5. 5.-1 1/6 + (-1 1/2) =
6. 6.-19 + 4 =
7. 7.1.9 + (-7.2) =
8. 8.-3/5 + (-2 3/8) =
9. 9.-7 + (-6) =
10. 10.4.8 + 5.3 =
11. 11.-2 1/6 + 2 2/3 =
12. 12.13 + (-12) =
13. 13.-8.3 + 2.4 =
14. 14.-1 2/3 + (-1 7/10) =
15. 15.3 + 19 =
16. 16.5.6 + (-7.6) =
17. 17.-3/4 + (-1/2) =
18. 18.-2.6 + (-9.1) =
19. 19.2/5 + (-2 7/10) =
20. 20.12 + (-7) =