Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/21 of 20/50?"
1021 × 2050 is 421.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21×20/50 10/21×40/50 10/42×20/50 30/21×20/50 10/21×60/50 10/63×20/50 50/21×20/50 70/21×20/50
© everydaycalculation.com