Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/45 of 9/90?"
445 × 990 is 2225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45×9/90 4/45×18/90 4/90×9/90 12/45×9/90 4/45×27/90 20/45×9/90 4/45×45/90 28/45×9/90 4/45×63/90
© everydaycalculation.com