+ Rational Whole #'s
3 + 12 =
15
7 - 16 =
-9
7.5 + 2.8 =
10.3
4.5 - 6.3 =
-1.8
3/4 + 4/5 =
7/5 or 1 2/5
-13 + 9 = -4
-4
-3 - 12 =
-15
-10.7 + -3.5 =
-14.2
-2.9 - 1.6 =
-4.5
4/7 - 1/3 =
5/21
-15 + -14 =
-29
8 - (-17) =
25
7.6 + -7.1 =
0.5
-4.1 - 6.8 =
-10.9
-3/10 - 9/10 =
12/10 or 1 2/10 or 1/15
-612 + -254
-866
-27 - (-34) =
7
-12.6 + 8.8 =
-3.8
- 11.8 - (-2.9) =
-8.9
-3/8 - 1/2 =
-14/16 or -7/8
-312 + 451
139
-23 - 52 =
-73
-26.78 + 32.86 =
6.08
-25 - (-37) =
12
-7/9 - (-5/8)
101/72 or 1 29/72