Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/21 of 2/90?"
2021 × 290 is 4189.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21×2/90 20/21×4/90 20/42×2/90 60/21×2/90 20/21×6/90 20/63×2/90 20/21×10/90 20/21×14/90
© everydaycalculation.com