Solutions by everydaycalculation.com
1st number: 12/21, 2nd number: 1 8/90
This multiplication involving fractions can also be rephrased as "What is 12/21 of 1 8/90?"
1221 × 9890 is 2845.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21×98/90 12/42×98/90 36/21×98/90 12/63×98/90 60/21×98/90 84/21×98/90
© everydaycalculation.com