Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 25/80 of 20/45?"
2580 × 2045 is 536.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80×20/45 25/80×40/45 25/80×20/90 75/80×20/45 25/80×60/45
© everydaycalculation.com