Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/81 of 20/21?"
181 × 2021 is 201701.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/81×20/21 1/81×40/21 1/81×20/42 3/81×20/21 1/81×60/21 1/81×20/63 5/81×20/21 7/81×20/21
© everydaycalculation.com