Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/49 of 80/81?"
2049 × 8081 is 16003969.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/49×80/81 20/98×80/81 60/49×80/81
© everydaycalculation.com