Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 5/21 of 4/25?"
521 × 425 is 4105.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21×4/25 5/21×8/25 5/42×4/25 5/21×4/50 15/21×4/25 5/21×12/25 5/63×4/25 5/21×4/75 25/21×4/25 5/21×20/25 35/21×4/25 5/21×28/25
© everydaycalculation.com