Solutions by everydaycalculation.com
The simplest form of 640510 is 6451.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Equivalent fractions: 1280/1020 320/255 1920/1530 3200/2550 128/102 4480/3570
More fractions: 1280/510 640/1020 1920/510 640/1530 641/510 640/511639/510 640/509
© everydaycalculation.com