Addition
573 + 266 =
839
17 - 9
8
6 X 7
42
3/12
4
2/11 + 3/11
5/11
1347 + 123 =
1,470
239 - 172 =
67
53 X 4
212
5/125
25
3/4 - 5/12
9/12 - 5/12 = 4/12
135 + 445 + 310
890
500 - 356 =
144
52 X 32
1,664
3/165
55
1/2 + 1/3
3/6 + 2/6 + 5/6
15372 + 5564 =
20,936
2035 - 259
1,776
12,636
25/350
14
18/21 + 1/21 = 19/21