Solutions by everydaycalculation.com
The simplest form of 4201210 is 42121.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 840/2420 210/605 1260/3630 2100/6050 84/242 2940/8470
More fractions: 840/1210 420/2420 1260/1210 420/3630 421/1210 420/1211419/1210 420/1209
© everydaycalculation.com