Solutions by everydaycalculation.com
The simplest form of 21052100 is 421420.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 4210/4200 6315/6300 421/420
More fractions: 4210/2100 2105/4200 6315/2100 2105/6300 2106/2100 2105/21012104/2100 2105/2099
© everydaycalculation.com