Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/90 of 20/90?"
1090 × 2090 is 281.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/90×20/90 10/90×40/90 30/90×20/90 10/90×60/90 50/90×20/90 70/90×20/90
© everydaycalculation.com