1. 15a/20b = 3a/4b
2. b/c
3. 6xy/8x = 3y/ 4y
4. 10mn/15mp 2n/ 3p
5. 8ax/16ay = 4x/8y
6. 2a^2/3ab= b1
7. 24m^3/16^2n= 3m/2m
8. m^4/m^7=m^3
9. 5c/2c
10. 3/4ab^2
11. 5/2x
12. 4/9q
13. 9x/11y
14. 3^4/10y
15. 5b^2/4c^3
16. 2a^2/3b^3
17. a^2/a^2
18. b^2/b^n
19. x^4/x^4
20. y^3/y^3n
21. 1/x3n

38

1. . a/3+b/3= a+b/3
2. x/4-x/4=x-x/4
3. 15a/7-a/7=14a/7
4. 3/x+5/x=8/x
5. x/m-y/m= x-y/m
6. 6/a+5/a-7/a= 4/a
7. 1/a+1/2a=2/2a+1=3/2a
8. a/x-b/mx= ma-b/mx

39.

1. a/b*c/d=ac/bd
2. a/b*c/1=ac/b
3. 9a/16b*2b/3=3a/8
4. .2ac/3b

40.

1. a⁴/b⁴
2. m⁵/m²
3. 25a²/16b
4. 27x³/8x
5. 16ab/25xy
6. a⁴/b
7. xy⁵/z⁵
8. -27x³/8y