Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/21 of 28/35?"
2021 × 2835 is 1621.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21×28/35 20/21×56/35 20/42×28/35 20/21×28/70 60/21×28/35 20/21×84/35 20/63×28/35
© everydaycalculation.com