Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/60 of 20/21?"
660 × 2021 is 221.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/60×20/21 6/60×40/21 6/60×20/42 18/60×20/21 6/60×60/21 6/60×20/63 30/60×20/21 42/60×20/21
© everydaycalculation.com