Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 20/21 of 64/70?"
2021 × 6470 is 128147.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/21×64/70 20/42×64/70 60/21×64/70 20/63×64/70
© everydaycalculation.com