Solutions by everydaycalculation.com
The simplest form of 42001620 is 7027.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 8400/3240 2100/810 1400/540 840/324
More fractions: 8400/1620 4200/3240 4200/4860 4201/1620 4200/16214199/1620 4200/1619
© everydaycalculation.com