please anwer i really need it

Answer:
1. 3/7
2. 4/10
3. 1/12
4. 6/7
5. 2/5
6. 10/7
Step-by-step explanation:
1. subtract the numerator to numerator to get the answer for numerator then copy the denominator.
2. same to number 1 pero addition.
3. find the LCD of the denominator.
4. same to number 3.
5&6. same to number 1&2