Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 40/49 of 40/48?"
4049 × 4048 is 100147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/49×40/48 40/49×80/48 40/98×40/48 40/49×40/96
© everydaycalculation.com