brøker med +
1/4+2/4
3/4
2/5-1/5
1/5
2/5x3/4
6/20
2/7:1/3
6/7
1/2
50%
10/24+11/24
21/24
8/16-2/16
6/16
7/9x3/6
21/54
5/5:5/4
20/25
10/10
100%
3/8+4/9
59/72
19/30-8/30
11/30
7/11x5/11
35/121
3/10:7/7
21/70
3/4
75%
319/400+79/400
398/400
6/8-7/9
4/72
27/44x7/8
189/396
21/21:7/18
147/378
1/8
12,5%
1/9+6/10
69/90
13/15-7/16
83/240
19/46x33/46
627/2116
9/100:6/10
90/6
1/16
6,25