Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/21 of 6/21?"
2021 × 621 is 40147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21×6/21 20/21×12/21 20/42×6/21 20/21×6/42 60/21×6/21 20/21×18/21 20/63×6/21 20/21×6/63 20/21×30/21 20/21×42/21
© everydaycalculation.com