Answer:
Hello!
Your answer is 240!
Explanation:
You need to factorise these numbers:
15 : 3 x 5
40 : 2 x 2 x 2 x 5 (2^3 x 5)
16 : 2 x 2 x 2 x 2 (2^4)
NOW...
We just collect the common factors (the factors that can be paired up with another of the same value)
ANSWER: 2^4 x 3 x 5
ANSWER: 240
I HOPE THIS HELPS!!