Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/21 of 4/21?"
1021 × 421 is 40441.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/21×4/21 10/21×8/21 10/42×4/21 10/21×4/42 30/21×4/21 10/21×12/21 10/63×4/21 10/21×4/63 50/21×4/21 10/21×20/21 70/21×4/21 10/21×28/21
© everydaycalculation.com