Solutions by everydaycalculation.com
The simplest form of 211515 is 7505.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 42/3030 63/4545 7/505 105/7575
More fractions: 42/1515 21/3030 63/1515 21/4545 22/1515 21/151620/1515 21/1514
© everydaycalculation.com