Answer:
You can use 24 as a denominator
Step-by-step explanation:
8 and 12 both have the multiple of 24
8x3 is 24, so you have to multiply the numerator of 3, by 3
12x2 is 24, so you have to multiply the numerator of 1, by 2
so you will have 9/24 + 2/24 which equals 11/24
I hope this helps
