Solutions by everydaycalculation.com
The simplest form of 280140 is 21.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 560/280 140/70 840/420 1400/700 56/28 1960/980 40/20
More fractions: 560/140 280/280 840/140 280/420 281/140 280/141279/140 280/139
© everydaycalculation.com