Solutions by everydaycalculation.com
The simplest form of 21001515 is 140101.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 4200/3030 6300/4545 700/505 420/303
More fractions: 4200/1515 2100/3030 6300/1515 2100/4545 2101/1515 2100/15162099/1515 2100/1514
© everydaycalculation.com