Addition
15.7 + 3.83
19.53
368.1 + 86.8
454.9
53.8 - 12.8
41
753.9 + 62.1
816
263.9 - 22.7
241.2
77.9 - 24.7
53.2
82.82 + 37.19
120.01
82.93 + 28.36
111.29
136.5 - 24.9
111.6
283.8 + 112.88
396.68
389.2 - 34.32
354.88
25.8 - 7.45
18.35
1723.62 + 429.76
2,153.38
89.87 - 22.2
67.67
283.8 - 85.91
197.89