Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/28 of 20/21?"
128 × 2021 is 5147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/28×20/21 1/28×40/21 1/56×20/21 1/28×20/42 3/28×20/21 1/28×60/21 1/84×20/21 1/28×20/63 5/28×20/21 7/28×20/21
© everydaycalculation.com