Solutions by everydaycalculation.com
1st number: 3 0/21, 2nd number: 9/90
This multiplication involving fractions can also be rephrased as "What is 63/21 of 9/90?"
6321 × 990 is 310.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/21×18/90 63/42×9/90 63/21×27/90 63/21×45/90 63/21×63/90
© everydaycalculation.com