Solutions by everydaycalculation.com
The simplest form of 21001575 is 43.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 4200/3150 6300/4725 700/525 420/315 300/225
More fractions: 4200/1575 2100/3150 6300/1575 2100/4725 2101/1575 2100/15762099/1575 2100/1574
© everydaycalculation.com