Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 10/50 of 9/90?"
1050 × 990 is 150.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/50×9/90 10/50×18/90 30/50×9/90 10/50×27/90 10/50×45/90 70/50×9/90 10/50×63/90
© everydaycalculation.com