You divide them. Although you didn't quite state which number is divided by which, so there are two possible answers 270/15 = 18 15/270 = 0.05555
30
270
4.9091
The GCF of 72, 270 and 810 is: 18
18
0.0556
You divide them. Although you didn't quite state which number is divided by which, so there are two possible answers 270/15 = 18 15/270 = 0.05555
270
30
0.45
270
270
The GCF is 18.
4.9091
270 divided by 27 = 10
1.4835