1) 1/7+6/7=7/7=1
2) 3/10+1/10+6/10=10/10=1
3)1/3+4/6=2/6+4/6=6/6=1
1) 3/7 + 4/7 = 7/7 = 1
2) 3/10 + 1/10 + 6/10 = 10/10 = 1
3) 1/3 + 4/6 = 6/6 = 1
1) 1/7+6/7=7/7=1
2) 3/10+1/10+6/10=10/10=1
3)1/3+4/6=2/6+4/6=6/6=1
1) 3/7 + 4/7 = 7/7 = 1
2) 3/10 + 1/10 + 6/10 = 10/10 = 1
3) 1/3 + 4/6 = 6/6 = 1