Addition
123+245
368
7-2
5
1/4 + 2/4
3/4
6/12
1/2
12
6 x 2
4x3
7434+2352
9786
70-50
20
1/6 +3/6
4/6 or 2/3
14/20
7/10
16
8x2
4x4
786+299
1085
500-256
244
1/2 + 1/4
3/4
12/24
1/2
48
6 x 8
2 x 24
4 x 12
3 x 16
58367+480
58847
45834-12598
33236
3/9 + 1/3
6/9
33/121
3/11
121
11 x 11
10578+3555
14133
100,000,000-98654321
1,345,679
4/7 + 8/28
6/7
11/12
144
12 x 12
24 x 6
2 x 72
3 x 48