Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 6/70 of 9/90?"
670 × 990 is 3350.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/70×9/90 6/70×18/90 18/70×9/90 6/70×27/90 30/70×9/90 6/70×45/90 42/70×9/90 6/70×63/90
© everydaycalculation.com