Answer:
1. 48a/24a³b²; domain {a ≠ 0 and b ≠ 0} 2. 15b³/24a³b² ; domain {a ≠ 0 and b ≠ 0}
Step-by-step explanation:
1. To have a denominator 24a³b², we multiply 2/a²b² by 24a/24a.
So, 2/a²b² × 24a/24a = 48a/24a³b². For this expression to the valid, the domain is a ≠ 0 and b ≠ 0
2. To have a denominator 24a³b², we multiply 5b/8a³ by 3b²/3b².
So, 5b/8a³ × 3b²/3b². = 15b³/24a³b². For this expression to the valid, the domain is a ≠ 0 and b ≠ 0