Find the diffrence.

1. 7/8 - 3/8 = ________

2. 2/4 - 3/7 = ________

3. 7 1/4 - 1 1/8 = ________

4. 3 1/7 - 3/5 = ________

5. 4 6/11 - 5/8 = ________​