Solutions by everydaycalculation.com
The simplest form of 21201240 is 5331.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 4240/2480 1060/620 6360/3720 424/248
More fractions: 4240/1240 2120/2480 6360/1240 2120/3720 2121/1240 2120/12412119/1240 2120/1239
© everydaycalculation.com