Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 4/90 of 9/90?"
490 × 990 is 1225.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/90×9/90 4/90×18/90 12/90×9/90 4/90×27/90 20/90×9/90 4/90×45/90 28/90×9/90 4/90×63/90
© everydaycalculation.com