Solutions by everydaycalculation.com
The simplest form of 21609720 is 29.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 1080/4860 720/3240 432/1944
More fractions: 4320/9720 6480/9720 2161/9720 2160/97212159/9720 2160/9719
© everydaycalculation.com