Addition
574+415
989
874-241
633
0.7
7/10
8/10
0.8
1/2
2/4
214+198
412
947-236
711
0.67
67/100
25/100
0.25
2/3
4/6
987+485
1472
632-154
478
0.6
6/10
5/10
0.5
5/6
10/12
359+147
506
607-256
351
0.43
43/100
72/100
0.72
2/7
4/14
124,754+254,100
378,854
800-521
279
0.04
4/100
5/100
0.05
12/15
24/30