Solutions by everydaycalculation.com
This multiplication involving fractions can also be rephrased as "What is 1/21 of 81/90?"
121 × 8190 is 370.
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/21×81/90 1/42×81/90 3/21×81/90 1/63×81/90 5/21×81/90 7/21×81/90
© everydaycalculation.com