answersLogoWhite

0

Prime factor each number.

18=2x3x3

45=3x3x5

72=2x2x2x3x3

Use each prime factor the number of times it was used the MOST in any one of the numbers.

2x2x2x3x3x5=360

The least common denominator of 18, 45, and 72 is 360.

User Avatar

Wiki User

10y ago

Still curious? Ask our experts.

Chat with our AI personalities

RafaRafa
There's no fun in playing it safe. Why not try something a little unhinged?
Chat with Rafa
ViviVivi
Your ride-or-die bestie who's seen you through every high and low.
Chat with Vivi
ReneRene
Change my mind. I dare you.
Chat with Rene

Add your answer:

Earn +20 pts
Q: What is the greatest common denominator of 18 45 and 72?
Write your answer...
Submit
Still have questions?
magnify glass
imp