Addition
456 plus 347
803
456 - 67
389
67 X 3
201
Least Common Denominator of 4 and 12
12
0.10 X 2
0.2
789 plus 346
1,135
567 - 90
477
56 X 4
224
Least Common Denominator 5 of 6
30
4.89 plus 8.45
13.34
279 plus 954
1,233
234 - 80
154
63 X 2
126
Least Common Denominator of 3 and 8
24
23.6 - 3.7
19.9
786 plus 236
1,022
268- 89
179
33 X 18
594
Least Common Denominator of 7 and 2
14
34.90 -6.90
28
291 plus 450
741
956 - 279
677
45 X 12
540
Least Common Denominator of 12 and 6
36
23.2-19.3
3.9