Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 9/40 of 9/21?"
940 × 921 is 27280.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/40×9/21 9/40×18/21 9/80×9/21 9/40×9/42 27/40×9/21 9/40×27/21 9/40×9/63 45/40×9/21 9/40×45/21 63/40×9/21 9/40×63/21
© everydaycalculation.com