Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 30/80 of 9/90?"
3080 × 990 is 380.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80×9/90 30/80×18/90 90/80×9/90 30/80×27/90 30/80×45/90 30/80×63/90
© everydaycalculation.com