Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 80/90 of 20/45?"
8090 × 2045 is 3281.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90×40/45 80/90×20/90 80/90×60/45
© everydaycalculation.com