3/10 + 8/25 =31/50
13/14 - 2/7=9/14
4,3/8 +5,1/4=9,5/8
1, 6/11+ 2,3/14=3,117/154
5 ,5/18 - 3, 2/3=1,11/18
14, 5/9 - 3,5/6=10,13/18
6, 2/3 + 3, 5/12=10,1/12
4,6/7 - 1, 5/12=3,37/84
= 15/50+16/50=31/50
=13/14-4/14=9/14
4.3/8+5.2/8=9.5/8
5.5/18-3.12/18=4.23/18-13.12/18=1.11/18
14.10/18-3.15/18=13.28/18-3.15/18=10.13/18
6.8/12+3.5/12=9.13/12=10.1/12
4.72/84-1.35/84=3.37/84
3/10 + 8/25 =31/50
13/14 - 2/7=9/14
4,3/8 +5,1/4=9,5/8
1, 6/11+ 2,3/14=3,117/154
5 ,5/18 - 3, 2/3=1,11/18
14, 5/9 - 3,5/6=10,13/18
6, 2/3 + 3, 5/12=10,1/12
4,6/7 - 1, 5/12=3,37/84
= 15/50+16/50=31/50
=13/14-4/14=9/14
4.3/8+5.2/8=9.5/8
5.5/18-3.12/18=4.23/18-13.12/18=1.11/18
14.10/18-3.15/18=13.28/18-3.15/18=10.13/18
6.8/12+3.5/12=9.13/12=10.1/12
4.72/84-1.35/84=3.37/84