1)1 - 16/23; 2)5 - 7/16; 3)6 - 1 3/5; 4)8 - 7 12/25

1) 7 / 23

2) 4 9/16

3) 4 2/5

1) 1 - 16/23 = 23/23 - 16/23 = 7/23

2) 5 - 7/16 = 4 16/16 - 7/16 = 4 9/16

3) 6 - 1 3/5 = 5 5/5 = 1 3/5 = 4 2/5

4) 8 - 7 12/25 = 7 25/25 - 7 12/25 = 13/25