1) 2/10 + 4/10 = 6/10
2) 6/7 - 4/7 =10/7=1 3/
3) 8/19 + 4/19 = 12/19
4) 13/27 - 10/27 = 3/27
5) 25/34 - 21/34 = 4/34
1) 2/10 + 4/10 = 6/10
2) 6/7 - 4/7 =10/7=1 3/
3) 8/19 + 4/19 = 12/19
4) 13/27 - 10/27 = 3/27
5) 25/34 - 21/34 = 4/34