Помогите сократить дроби...

1. 13 x ₃ y
______ =
65 x ₂ y ₂

2. 5а
___ =
ax-a

3. p ₂ - g ₂
_______ =
3p+3g

4. m ₂ -n ₂
_______ =
n ₂ - 2mn +m ₂

5. m ₃ -125
________ =
20 - 4m

6. 15c ₄ d ₂
________ =
45 c ₅ b

7. 7v
_____ =
v ₂ +v y

8. a ₂ -v ₂
______ =
5a-5v

9. x ₂ - xy +y ₅
_________ =
y ₂ - x ₂

10. a ₃ - 27
_______ =
24 - 8a