learning task 2: perform the indicated operation. Write your answer in your note book.
1. 5/7- 2/7
2. 9/10 + 3/10
3. 3/4 - 2/3
4. 5/6 + 1/7
5. 9/10 - 3/10 - 2/10
6. 2/7 + 3/7 + 5/7
pls help​