Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 50/81 of 10/90?"
5081 × 1090 is 50729.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/81×20/90 50/81×30/90 50/81×50/90 50/81×70/90
© everydaycalculation.com