Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/90 of 8/10?"
2090 × 810 is 845.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90×8/10 20/90×16/10 20/90×8/20 60/90×8/10 20/90×24/10 20/90×8/30 20/90×40/10 20/90×8/50 20/90×56/10 20/90×8/70
© everydaycalculation.com