Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 21/45 of 9/45?"
2145 × 945 is 775.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/45×9/45 21/45×18/45 21/90×9/45 21/45×9/90 63/45×9/45 21/45×27/45 21/45×63/45
© everydaycalculation.com