Solutions by everydaycalculation.com
The simplest form of 21212520 is 101120.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 4242/5040 6363/7560 707/840 303/360
More fractions: 4242/2520 2121/5040 6363/2520 2121/7560 2122/2520 2121/25212120/2520 2121/2519
© everydaycalculation.com