Question

If Kaylee was 18 and Lylah was 45 how many years younger would Kaylee be??

Answer 1

Kaylee would be 27 years younger than Lylah.

Answer 2

You are trying to find how much younger Kaylee is than Lylah. 

You would subtract her age from Lylah's.

45-18= 27

Kaylee was 27 years younger than Lylah.

I hope this helps!
~kaikers