Solutions by everydaycalculation.com
The simplest form of 840220 is 4211.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 1680/440 420/110 2520/660 4200/1100 168/44 5880/1540
More fractions: 1680/220 840/440 2520/220 840/660 841/220 840/221839/220 840/219
© everydaycalculation.com