Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/21 of 5/70?"
2021 × 570 is 10147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21×5/70 20/21×10/70 20/42×5/70 60/21×5/70 20/21×15/70 20/63×5/70 20/21×25/70 20/21×35/70
© everydaycalculation.com