Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/45 of 20/21?"
445 × 2021 is 16189.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45×20/21 4/45×40/21 4/90×20/21 4/45×20/42 12/45×20/21 4/45×60/21 4/45×20/63 20/45×20/21 28/45×20/21
© everydaycalculation.com