HARD ADDITION. Be able to answer this in less than one minute.

1.20 + 74 =   26.86 + 23 =
2.63 + 62 =   27.72 + 33 =
3.94 + 83 =   28.73 + 73 =
4.99 + 89 =   29.84 + 69 =
5.93 + 15 =   30.70 + 64 =
6.64 + 63 =   31.99 + 51 =
7.64 + 26 =   32.44 + 37 =
8.56 + 70 =   33.80 + 75 =
9.89 + 37 =   34.71 + 47 =
10.34 + 62 =   35.30 + 76 =
11.17 + 11 =   36.52 + 15 =
12.25 + 37 =   37.66 + 36 =
13.61 + 96 =   38.65 + 12 =
14.50 + 32 =   39.42 + 49 =
15.30 + 86 =   40.21 + 68 =
16.24 + 53 =   41.75 + 40 =
17.51 + 60 =   42.23 + 15 =
18.91 + 90 =   43.71 + 66 =
19.72 + 33 =   44.73 + 44 =
20.98 + 53 =   45.67 + 68 =
21.59 + 15 =   46.86 + 20 =
22.46 + 44 =   47.98 + 26 =
23.35 + 55 =   48.41 + 60 =
24.13 + 26 =   49.16 + 48 =
25.91 + 22 =   50.47 + 51 =