Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/21 of 4/40?"
2021 × 440 is 221.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21×4/40 20/21×8/40 20/42×4/40 20/21×4/80 60/21×4/40 20/21×12/40 20/63×4/40 20/21×20/40 20/21×28/40
© everydaycalculation.com