Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/21 of 35/42?"
2021 × 3542 is 5063.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21×35/42 20/21×70/42 20/42×35/42 20/21×35/84 60/21×35/42 20/63×35/42
© everydaycalculation.com