Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/9 of 9/90?"
19 × 990 is 190.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/9×9/90 1/9×18/90 1/18×9/90 3/9×9/90 1/9×27/90 1/27×9/90 5/9×9/90 1/9×45/90 1/45×9/90 7/9×9/90 1/9×63/90 1/63×9/90
© everydaycalculation.com