= 1 3/7
1) 4 - 3 13/14=3 14/14 - 3 13/14=1/14
2) 3/49 : 1/14=3/49 * 14=6/7
3) 7/14 + 6/7=7/14 + 12/14=19/14=1 5/7
4) 1 5/7 - 2/7=1 3/7
= 1 3/7
1) 4 - 3 13/14=3 14/14 - 3 13/14=1/14
2) 3/49 : 1/14=3/49 * 14=6/7
3) 7/14 + 6/7=7/14 + 12/14=19/14=1 5/7
4) 1 5/7 - 2/7=1 3/7