Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/81 of 28/70?"
2081 × 2870 is 881.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/81×28/70 20/81×56/70 60/81×28/70 20/81×84/70
© everydaycalculation.com